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moreover, that he is on the most friendly terms with the Ringgold family. In this will lie the main difficulty, but I fear not that I shall be able to surmount it.'

'O, sir, your words are fine, but they have little worth with us now. We have waited long upon your promise to befriend us. We only wished for an investigation; and you might easily have obtained it ere this. We no longer care for our lands, for greater wrongs make us forget the less. I should not have been here to-night, had we not been in sad grief at the misfortune-I should rather say outrage -that has fallen upon my poor brother. You have professed friendship to our family. I come to seek it now, for now may you give proof of it. Obtain my brother's freedom, and we shall then believe in the fair words you have so often spoken. Do not say it is impossible; it cannot even be difficult for you who hold so much authority among the white chiefs. My brother may have been rude; but he has committed no crime that should entail severe punishment. A word to the great war-chief, and he would be set free. Go, then, and speak that word.'

'Lovely Maumee! you do not know the nature of the errand upon which you would send me. Your brother is a prisoner by orders of the agent, and by the act of the commander-in-chief. It is not with us as among your people. I am only a subordinate in rank, and were I to offer the counsel you propose, I should be rebuked-perhaps punished.'

'Oh, you fear rebuke for doing an act of justice?— to say nought of your much-offered friendship? Good, sir! I have no more to say, except this-we believe you no longer. You need come to our humble cabin no more.'

She was turning away with a scornful smile. How beautiful seemed that scorn!

'Stay, Maumee!-fair Maumee, do not part from me thus-doubt not that I will do all in my power''Do what I have asked you. Set my brother free -let him return to his home.'

'And if I should''Well, sir.'

'Know, Maumee, that for me to do so would be to risk everything. I might be degraded from my rank-reduced to the condition of a common soldier -disgraced in the eyes of my country-ay, punished, perhaps, by imprisonment worse than that which your brother is likely to endure. All this would I risk by the act.'

The girl paused in her step, but made no reply.

And yet all these chances shall I undergo-ay, the danger of death itself-if you, fair Maumee'here the speaker waxed passionate and insinuating"if you will only consent.'

'Consent to what, sir?'

'Lovely Maumee, need I tell you? Surely you understand my meaning? You cannot be blind to the love-to the passion-to the deep devotion with which your beauty has inspired me'

'Consent to what, sir?' demanded she, repeating her former words, and in a soft tone, that seemed to promise compliance.

Only to love me, fair Maümee-to become my mistress.'

The

For some moments, there was no reply. grand woman seemed immobile as a statue. She did not even start on hearing the foul proposal, but, on the contrary, stood as if turned to stone.

Her silence had an encouraging effect upon the ardent lover; he appeared to take it for assent. He could not have looked into her eye, or he would there have read an expression that would have hindered him from pressing his suit further. No-he could not have observed that glance, or he would hardly have made such a mistake.

'Only promise it, fair Maümee; your brother shall be free before the morning, and you shall have everything'..

'Villain, villain, villain! Ha, ha, ha, ha! Ha, ha, ha, ha, ha!'

In all my life, I never heard aught so delightful as that laugh. It was the sweetest sound that ever fell upon my ears. Not all the wedding-bells that ever rang-not all the lutes that ever played-not all the harps and hautboys-the clarions and trumpets-in the world, could have produced such melodious music for me.

The moon seemed to pour silver from the sky-the stars had grown bigger and brighter-the breeze became filled with delicious odours, as if a perfumed censer had been spilled from heaven, and the whole scene appeared suddenly transformed into an Elysium.

CHAPTER XLV.

TWO DUELS IN ONE DAY.

The crisis might have been my cue to come down; but I was overpowered with a sense of delightful happiness, and could not stir from my seat. The arrow had been drawn out of my breast, leaving not a taint of its poison-the blood coursed pleasantly through my veins-my pulse throbbed firm and free -my soul was triumphant. I could have cried out for very joy.

With an effort, I held my peace, and waited for the dénouement-for I saw that the scene was not yet at an end.

'Mistress, indeed!' exclaimed the bold beauty in scornful accent. And this is the motive of your proffered friendship. Vile wretch! for what do you mistake me? a camp-wench, or a facile squaw of the Yemassee? Know, sir, that I am your equal in blood and race; and though your pale-faced friends have robbed me of my inheritance, there is that which neither they nor you can take from me-the honour of my name. Mistress, indeed! Silly fellow! Nonot even your wife. Sooner than sell myself to such base love as yours, I should wander naked through the wild woods, and live upon the acorns of the oak. Rather than redeem him at such a price, my brave brother would spend a lifetime in your chains. Oh, that he were here! Oh, that he were witness of this foul insult! Wretch he would smite thee like a reed to the earth.'

The eye, the attitude, the foot firmly planted, the fearless determined bearing-all reminded me of Oceola while delivering himself before the council. Maumee was undoubtedly his sister.

The soi-disant lover quailed before the withering reproach, and for some time stood shrinking and abashed." He

He had more than one cause for abasement. might feel regret at having made a proposal so ill received; but far more at the disappointment of his hopes, and the utter discomfiture of his designs.

Perhaps, the moment before, he would have smothered his chagrin, and permitted the girl to depart without molestation; but the scornful apostrophe had roused him to a sort of frenzied recklessness; and probably it was only at that moment that he formed the resolve to carry his rudeness still further, and effect his purpose by force.

I could not think that he had held such design, anterior to his coming on the ground. Professed libertine though he was, he was not the man for such perilous emprise. He was but a speck of vain conceit, and lacked the reckless daring of the ravisher. It was only when stung by the reproaches of the Indian maiden, that he resolved upon proceeding to

extremes.

She had turned her back upon him, and was moving away.

'Not so fast!' cried he, rushing after, and grasping her by the wrist; not so fast, my brown-skinned charmer! Do not think you can cast me so lightly. I have followed you for months, and, by the god Phoebus, I shall make you pay for the false smiles you have treated me to. You needn't struggle; we are alone here; and ere we part, I shall'.

I heard no more of this hurried speech-I had risen from my perch, and was hurrying down to the rescue; but before I could reach the spot, another was before me.

Haj-Ewa-her eyes glaring fiercely-with a wild maniac laugh upon her lips-was rushing forward. She held the body of the rattlesnake in her extended hands, its head projected in front, while its long neck was oscillating from side to side, shewing that the reptile was angry, and eager to make an attack. Its hiss, and the harsh 'skirr-rr' of its rattles could be heard sounding at intervals as it was carried forward.

In another instant, the maniac was face to face with the would-be ravisher-who, startled by her approach, had released his hold of the girl, and falling back a pace, stood gazing with amazement at this singular intruder.

'Ho, ho!' screamed the maniac, as she glided up to the spot. His son, his son! Ho! I am sure of it, just like his false father-just as he on the day he wronged the trusting Ewa. Hulwak! It is the hour --the very hour-the moon in the same quarter, horned and wicked-smiling upon the guilt. Ho, ho! the hour of the deed-the hour of vengeance! The father's crime shall be atoned by the son. Great Spirit! give me revenge! Chitta mico! give me revenge!'

His

towards the spot where Haj-Ewa still stood. angry oaths told his determination to slay her. It was not the soft yielding body of a woman, nor yet of a reptile, that his blade was to encounter. It struck against steel, hard and shining as his own.

I had thrown myself between him and his victims, and had succeeded in restraining Haj-Ewa from carrying out her vengeful design. As the assailant approached, his rage, but more, the water half-blinding him, hindered him from seeing me; and it was not till our blades rasped together, that he seemed aware of my presence.

There was a momentary pause, accompanied by silence.

'You, Randolph!' at length he exclaimed in a tone of surprise.

'Ay, Lieutenant Scott-Randolph it is. Pardon my intrusion, but your pretty love-scene changing so suddenly to a quarrel, I deemed it my duty to interfere.'

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'Whenever you please.

'No time like the present. Come on!'

Not another word was spoken between us; but, the instant after, our blades were clinking in the fierce game of thrust and parry.

The affair was short. At the third or fourth lounge, I ran my antagonist through the right shoulder, disabling his arm. His sword fell jingling among the pebbles.

As she uttered these apostrophic appeals, she "You have wounded me!' cried he; 'I am dissprang forward, holding the snake far outstretched-armed,' he added, pointing to the fallen blade. as if to give it the opportunity of striking the now terrified man.

The latter mechanically drew his sword, and then, as if inspired by the necessity of defending himself, cried out:

'Hellish sorceress! if you come a step nearer, I shall run you through the body. Back, now! Keep off, or, by I shall do it!'

The resolution expressed by his tone proved that the speaker was in earnest; but the appeal was unheeded. The maniac continued to advance despite the shining blade that menaced her, and within reach of whose point she had already arrived.

I was now close to the spot; I had drawn my own blade, and was hurrying forward to ward off the fatal blow which I expected every moment would be struck. It was my design to save Haj-Ewa, who seemed recklessly rushing upon her destruction.

In all probability, I should have been too late, had the thrust been given; but it was not.

Whether from terror at the wild unearthly aspect of his assailants, or, what is more likely, fearing that she was about to fling the snake upon him, the man appeared struck with a sudden panic, and retreated backward.

A step or two brought him to the edge of the water. There were loose stones strewed thickly along the shore; among these his feet became entangled; and, balancing backward, he fell with a plash upon the pond!

The water deepened abruptly, and he sank out of sight. Perhaps the sudden immersion was the means of saving his life; but the moment after, he rose above the surface, and clambered hastily up on the bank.

He was now furious, and with his drawn sword, which he had managed to retain hold of, he rushed

Enough, sir; I am satisfied.'

'But not I-not till you have knelt upon these stones, and asked pardon from her whom you have so grossly insulted."

'Never!' cried he; 'never!'-and as he uttered these words, giving, as I presumed, a proof of determined courage, he turned suddenly; and, to my utter astonishment, commenced running away from the ground!

I ran after, and soon overtook him. I could have thrust him in the back, had I been sanguinarily inclined; but instead, I contented myself with giving him a foot-salute, in what Gallagher would have termed his 'postayriors,' and with no other adieu, left him to continue his shameful flight.

CHAPTER XLVI.

A SILENT DECLARATION.

'Now for the love, the sweet young love,
Under the tala tree,' &c.

It was the voice of Haj-Ewa, chanting one of her favourite melodies. Far sweeter the tones of another voice pronouncing my own name: 'George Randolph!' 'Maümee!'

'Ho, ho! you both remember?-still remember? Hinklas! The island-that fair island-fair to you, but dark in the memory of Haj-Ewa. Hulwak! I'll think of't no more-no, no, no!

Now for the love, the sweet young love,
Under

It was once mine-it is now yours: yours, mico! yours, haintclitz! Pretty creatures! enjoy it alone; you wish not the mad queen for a companion? Ha,

ha!

Cooree, cooree. I go; fear not the rustling wind, fear not the whispering trees; none can approach while Haj-Ewa watches. She will be your guardian. Chitta mico, too. Ho, chitta mico!

Now for the love, the sweet young love;' and again renewing her chant, the strange woman glided from the spot, leaving me alone with Maümee. The moment was not without embarrassment to me-perhaps to both of us. No profession had ever passed between us, no assurance, not a word of love. Although I loved Maumee with all my heart's strength, although I now felt certain that she loved me, there had been no mutual declaration of our passion. The situation was a peculiar one, and the tongue felt restraint.

But words would have been superfluous in that hour. There was an electricity passing between us -our souls were en rapport, our hearts in happy communion, and each understood the thoughts of the other. Not all the words in the world could have given me surer satisfaction that the heart of Maumee was mine.

It was scarcely possible that she could misconceive. With but slight variation, my thoughts were hers. In all likelihood, Haj-Ewa had carried to her ears my earnest declaration. Her look was joyful-assured. She did not doubt me.

I extended my arms, opening them widely. Nature prompted me, or perhaps passion-all the same. The silent signal was instantly understood, and the moment after, the head of my beloved was nestling upon my bosom.

Not a word was spoken. A low fond cry alone escaped her lips as she fell upon my breast, and twined her arms in rapturous compression around me. For some moments we exchanged not speech; our hearts alone held converse.

Soon the embarrassment vanished, as a light cloud before the summer sun: not a trace of shyness remained; and we conversed in the confidence of mutual love.

I am spared the writing our love-speeches. You have yourself heard or uttered them. If too commonplace to be reported, so also are they too sacred. I forbear to detail them.

We had other thoughts to occupy us. After a while, the transport of our mutual joys, though still sweet, assumed a more sober tinge; and, halfforgetting the present, we talked of the past and the future.

I questioned Maumee much. Without guile, she gave me the history of that long interval of absence. She confessed, or rather declared-for there was no coquettish hesitation in her manner that she had loved me from the first-even from that hour when I first saw and loved her: through the long silent years, by night as by day, had the one thought held possession of her bosom. In her simplicity, she

wondered I had not known of it!

I reminded her that her love had never been declared. It was true, she said; but she had never dreamt of concealing it. She thought I might have perceived it. Her instincts were keener: she had been conscious of mine!

So declared she, with a freedom that put me off my guard. If not stronger, her passion was nobler than my own.

She had never doubted me during the years of separation. Only of late; but the cause of this doubt was explained: the pseudo-lover had poured poison into her ears. Hence the errand of Haj-Ewa.

Alas! my story was not so guileless. Only part of the truth could I reveal; and my conscience smote me as I passed over many an episode that would have given pain.

But the past was past, and could not be re-enacted. A more righteous future was opening before me; and silently in my heart did I register vows of atonement. Never more should I have cause to reproach myself -never would my love-never could it-wander away from the beautiful being I held in my embrace.

Proudly my bosom swelled as I listened to the ingenuous confession of her love, but sadly when other themes became the subject of our converse. The story of family trials, of wrongs endured, of insults put upon them-and more especially by their white neighbours, the Ringgolds-caused my blood to boil afresh.

The tale corresponded generally with what I had already learned; but there were other circumstances unknown to public rumour. He too-the wretched hypocrite-had made love to her. He had of late desisted from his importunities, through fear of her brother, and dared no longer come near.

The other, Scott, had made his approaches under the guise of friendship. He had learned, what was known to many, the position of affairs with regard to the Indian widow's plantation. From his relationship in high quarters, he possessed influence, and had promised to exert it in obtaining restitution. It was a mere pretence-a promise made without any intention of being kept; but, backed by fair words, it had deceived the generous trusting heart of Oçeola. Hence the admission of this heartless cur into the confidence of a family intimacy.

During all

For months had the correspondence existed, though the opportunities were but occasional. this time had the soi-disant seducer been pressing his suit-though not very boldly, since he too dreaded the frown of that terrible brother-neither successfully: he had not succeeded.

Ringgold well knew this when he affirmed the contrary. His declaration had but one design-to sting me. For such purpose, it could not have been made in better time.

There was one thing I longed to know. Surely Maumee, with her keen quick perception, from the girlish confidence that had existed between themsurely she could inform me. I longed to know the relations that had existed between my sister and her brother.

Much as I desired the information, I refrained from asking it.

And yet we talked of both-of Virginia especially, for Maumee remembered my sister with affection, and made many inquiries in relation to her. Virginia was more beautiful than ever, she had heard, and accomplished beyond all others. She wondered if my sister would remember those walks and girlish amusements-those happy hours upon the island. 'Perhaps,' thought I, 'too well.

It was a theme that gave me pain.

The future claimed our attention; the past was now bright as heaven, but there were clouds in the sky of the future.

We talked of that nearest and darkest-the imprisonment of Oçeola. How long would it last? What could be done to render it as brief as possible? I promised to do everything in my power; and I purposed as I promised. It was my firm resolve to leave no stone unturned to effect the liberation of the captive chief. If right should not prevail, I was determined to try stratagem. Even with the sacrifice of my commission-even though personal disgrace should await me-the risk of life itselfI resolved he should be free.

I needed not to add to my declaration the emphasis of an oath; I was believed without that. A flood of gratitude was beaming from those liquid orbs; and the silent pressure of love-burning lips was sweeter thanks than words could have uttered.

It was time for parting; the moon told the hour of midnight.

On the crest of the hill, like a bronze statue outlined against the pale sky, stood the mad queen. A signal brought her to our side; and after another embrace, one more fervid pressure of sweet lips, Maumee and I parted.

Her strange but faithful guardian led her away by some secret path, and I was left alone.

I could scarcely take myself away from that consecrated ground; and I remained for some minutes longer, giving full play to triumphant and rapturous reflections.

The declining moon again warned me; and, crossing the crest of the hill, I hastened back to the Fort.

THE MONTH:

SCIENCE AND ARTS.

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less healthy than those exposed to light. When we consider the invisible phosphorescence which must radiate from the walls and furniture-when we consider the effects of light on animal tissue, and the probable ozonizing or other minute chemical changes in the atmosphere effected by light, it becomes probable that it is far more immediately influential on the health of the animate world than is generally believed.'

Then, as regards electricity: gaseous atmospheres are changed by passing a current of electricity through them: letters cut from thin paper, placed between two sheets of electrified glass, leave an impression which becomes visible by breathing on them, or permanently fixed by exposure to the vapour of hydrofluoric acid: a proof that some molecular change is produced on the surface of the glass. In connection with these phenomena, Mr Grove suggests an important application of photography to astronomy, derived from the fact that, by means of the electric lamp, photographs of the moon may be made to give an image six feet in diameter, with details and lights remarkably distinct. Observers, even with the best instruments, are always baffled in making out the minute features of a distinct object for want of sufficient light. Mr Grove's suggestion is, that if a photograph of the object were taken, and illuminated indefinitely by adventitious light, the image might then be examined microscopically. 'In other words, is the photographic eye more sensitive than the living eye, or can a photographic recipient be found which will register impressions which the living eye does not detect, but which, by increased light or by developing agents, may be rendered visible to the living eye?' There is something highly suggestive in all this; it creates quite a new world of thoughts concerning the operations of nature.

AMONG the Friday-evening lectures which have been delivered at the Royal Institution, there is one especially worthy of notice. Those lectures, by the way, are more or less popular expositions of the progress of science, highly interesting to those who have the good-fortune to hear them; but the two in question are of the kind not easy to be followed by a general auditory. Neither can we do more here than make brief mention of them; but that will answer our purpose of recording the advances made by science. One on Molecular Impressions by Light and Electricity,' was by Mr Grove, who is well known as a philosophical savant of a high order; and it demonstrates that the science of molecular physics, though rich in results gained within the past fifty years, is yet richer in promise for the future. In the cope, which he intends to take to Malta, and there Mr Lassell is finishing a forty-feet reflecting telescase of light and electricity, their effect on bodies devote himself to three or four years' observations with which they come in contact depends on the mole- of the nebula. He has already explored the sky cular structure of those bodies. 'Carbon, in the form from that island with a twenty-feet reflector, and to of diamond, transmits light, but stops electricity. good purpose; but we shall hear of yet greater Carbon, in the form of coke or graphite, into which achievements with the forty feet. As for little the diamond may be transformed by heat, transmits planets, they will soon become a drug in the astroelectricity, but stops light. All solid bodies (approxi-nomical market: the number is now fifty-two; and no sooner are they noted, than their orbits are calcumately speaking) which transmit light freely, or are lated, and their movements accurately determined; transparent, are non-conductors of electricity, or may and yet a certain rector in Saxony declares the be said to be opaque to it; all the best conductors Copernican system to be false, and maintains that of electricity, as black carbon and the metals, are the earth does not move round the sun. opaque or non-conductors of light.' Every one knows the effect of insolation, or exposure to the sun, on colours and on plants-one is bleached, the other becomes green; and Mr Grove thinks that had he given his lecture in the summer, he could have shewn that it was really possible to extract sunbeams from cucumbers. The science of Laputa is therefore not all fallacious.

The old philosophers would have scouted the idea of the imponderables materially affecting the ponderables; but modern science finds reason to believe that all bodies are, in a greater or less degree, changed by the impact of light. Here a hygienic question comes into play, and an important one, looking at the registrar-general's bills of mortality, and the recently published report upon the health-or rather the neglect of it-of the army; and the means whereby barrack-life in England has been rendered more fatal than service in the field. Mr Grove says: "The effect of light on the healthy growth of plants is well known; and it is generally believed that dark rooms, though well heated and ventilated, are more close or

There is something to record of photography which can hardly be described as otherwise than wonderful. It is a discovery made by that skilful pioneer of photographic art, Niepce de St Victor, some four or five months ago, and now that there is no room to doubt, we give an outline of it. Mr Grove mentioned it in his lecture, as a striking example of the effect of light. Marvellous as it may appear, light can actually be bottled up for use. Take an engraving which has been kept for some days in the dark; expose it to full sunshine—that is, insolate it for fifteen minutes; lay it on sensitive paper in a dark place, and at the end of twenty-four hours, it will have left an impression of itself on the sensitive paper; the whites coming out as blacks. If insolated for a longer time, say an hour, till thoroughly saturated with sunlight, the image will appear much more distinct. Thus there seems to be no limit to the reproduction of engravings. shine into it for an hour, place it erect on sensitive Take a tin tube lined with white, let the sun paper, and it will give the impression of a ring, or reproduce the image of a small engraving and of a variety of objects at pleasure-feathers, figured glass, porcelain, for example. Take, moreover, a sheet of

paper, which has been thoroughly exposed to the sun, seal it up hermetically in a dark tube, and the paper will retain the light so effectually, that after two weeks, perhaps longer, it may be used for taking photographs. The Lord Chief Baron, President of the Photographic Society, in his recent anniversary address to the members, might well say of these facts, that hardly anything can be more extraordinary.' It is satisfactory to hear that the Society is flourishing, gaining strength as well as experience, fruits of which appear in their Journal. We take the opportunity to mention here that the Society's Exhibition is at the South Kensington Museum, where ample space and light are available, and not at Coventry Street, as inadvertently stated in our last,

Photography is now applied to the reduction of the Ordnance Survey maps for engraving; and as the officers of the corps of engineers are instructed in the art, a considerable saving of expense will accrue to the nation. Apropos of this subject, a commission has been appointed to take the Ordnance Survey, the scale on which the maps should be engraved, and other details, into consideration. The names of the commission-Airy, Wrottesley, Rosse, Brunel, Vignoles, &c.-are a guarantee that the service required will be well and thoroughly done; and for our part we cannot help hoping that no ignorant member of parliament will be allowed to set aside by a hasty vote the conclusions of men wiser than himself.

A paper by Captain Moorsom, 'On the Practical Use of the Aneroid Barometer,' read before the Royal Society, is worth notice, because of its shewing that the instrument-the aneroid barometer-is still used and in certain cases with manifest advantage. Captain Moorsom used it in a survey for lines of railway in the interior of Ceylon, and found that up to about six thousand feet-the highest points of his survey-its indications might be regarded as trustworthy. As manufactured in London, the aneroid presents an advantage over the French invention by the compensation for temperature which replaces the rigid bar of the index. The Marine Department of the Board of Trade have had the instrument under careful scrutiny for some years with a view to its employment for purposes of accurate observation. At present, it can only be regarded as a not very capricious journeyman to a mercurial barometer.

The Society of Arts announce their tenth annual exhibition of inventions for the month of April; and they offer a special prize of L.20 and a silver medal, 'for a writing-case suited for the use of soldiers, sailors, emigrants, &c.,' which shall combine lightness with smallness of size, durability, cheapness, and 'the avoidance (if possible) of fluid ink.' Mr Crace Calvert's paper On Recent Scientific Discoveries as applied to Arts and Manufactures,' was especially interesting from its practical applications. Coal-tar has been of late a fertile mine of discovery to the chemist; and now from the alkaloids of coal-tar and from naphthaline, substances are obtained which, in dyeing, give a beautiful purple. They are called nitroso-phenyline and nitroso-naphthaline; and their colour has the invaluable property known to economical housewives as fast.' But this is not all; the coal-tar yields also safflower pinks and cochineal crimsons, with variations into violet, chocolate, and red; and here again the 'imitation of safflower colour stands soap and light, whilst safflower colours do not. Next, we hear of a magnificent crimson colour,' called murexide, obtained from-the reader will hardly guess from guano! This remarkable result may be said to have been initiated by Prout's discovery of purpurate of ammonia in the fæces of serpents: hence years of patient research by the expertest of chemists have been spent in working it out. And for green,

dyers are no longer to be dependent on combinations of blue and yellow, but on a substance new to the English market, imported as 'green indigo,' from China, and in the use of the green colouring matter of plants-chlorophyll, as botanists call it. This product is actually obtained from grass by boiling, and a course of chemical treatment which causes a green precipitate to fall. Another product is 'patent gum," also for the use of dyers, to be employed instead of the flour and other farinaceous substances which they now have recourse to for thickening their mordants, consuming annually hundreds of tons. The patent gum is manufactured by adding to one ton of dry farina sixty gallons of buttermilk, and calcining the whole in the ordinary way.' Mr Calvert further made public a process for preparing sulphurous acid on a large scale without danger, at the rate of thousands of gallons a day if necessary; and he finds that sulphurous acid is an excellent refiner in the manufacture of sugar; and that if brewers will be careful to wash their casks and coolers with a solution of this acid, they will not have to complain of their beer turning sour. These instances will convey a notion of the nature of Mr Calvert's paper, and shew, moreover, what important practical and useful consequences may follow from refined and abstract studies. The philosophical chemist working out subtle conclusions in his laboratory, inspires the genius of application, and in due time commerce and the working population have a new resource. Twenty years ago, M. Gaudin shewed to the Academy of Sciences at Paris specimens of artificial rubies manufactured by himself; he has recently laid before them specimens of artificial sapphires.

The question of steel railway bars is still under discussion: iron rails wear out much too fast; but, except for the 'points' or switches, the harder metal has not come into use. Some engineers contend that its introduction would effect a great economy, as is shewn by instances of another kind. A peculiar sort of steel made in a puddling furnace is now used for steam-boilers, under the name of boiler steel' and homogeneous metal.' Made into boiler-plates, it is much lighter and stronger than iron; and having been satisfactorily tried on board a war-steamer, three sets of boilers for other government vessels have been constructed at Woolwich. Where quick action is required, the 'homogeneous metal' has a decided superiority; moreover, it does not rust. We hear that the plates for Dr Livingstone's steam-launch are made of it.-Concerning iron: at the last meeting of German naturalists, a piece of fossil iron was shewn; and a fossil tree, found in a floating island off the coast of Sweden, in which the minute cells were replaced by native iron. These are facts of high interest to geologists, especially the latter, as it furnishes additional evidence that iron is an aqueous deposit.

Professor Bailey (United States) brings forward new facts to shew that green-sand is a formation produced by shells of those tiny creatures Polythalamia; and in the course of the oceanic survey, it has been discovered that a similar formation is now going on at the bottom of the Atlantic, chiefly in the line of the Gulf Stream. Hence, like coral, green-sand is of organic origin. Another geological fact from the same quarter is that artesian wells have been bored by the army-engineers in the great arid plains between the Mesilla Valley and New Mexico, and with perfect success. When Congress can be persuaded to vote a sufficient sum, wells will be opened all along the line of travel, and the 'manifest destiny' will cease to fear perishing by thirst while accomplishing itself in that direction.

The culture of the vine-viniculture, as some call it—is spreading in the States. There are more than

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