讀者評論 - 撰寫評論
acid acre Agricultural allowed amount animals appearance applied become better breed called cane carried cattle cent colony colour condition considerable considered contains corn cost course covered crop cultivation dairy disease district early effect eggs especially experience fact farm farmers feed feet fibre flowers fruit give given Government ground growing grown growth hand head horses important inches increase industry interest keep kinds known labour land leaves less manure matter means method milk months nature necessary obtained pigs plants plough possible potash practical present produce quantity Queensland question roots season seed sheep soil South success sugar supply taken thing timber trees usually varieties whole wood wool yield young
第 26 頁 - Yet nature is made better by no mean But nature makes that mean: so, over that art, Which you say adds to nature, is an art That nature makes. You see, sweet maid, we marry A gentler scion to the wildest stock, And make conceive a bark of baser kind By bud of nobler race: this is an art Which does mend nature, change it rather, but The art itself is nature.
第 25 頁 - I find in the domestic duck that the bones of the wing weigh less and the bones of the leg more, in proportion to the whole skeleton, than do the same bones in the wild duck; and this change may be safely attributed to the domestic duck flying much less, and walking more, than its wild parents.
第 321 頁 - ASCERTAIN THE WEIGHT OF CATTLE. Measure the girt close behind the shoulder, and the length from the fore part of the shoulderblade along the back to the bone at the tail which is in a vertical line with the buttock, both in feet. Multiply the square of the girt, expressed in feet, by five times the length, and divide the product by 21 ; the quotient is the weight, nearly, of the four quarters, in imperial stones of 14 Ib.
第 359 頁 - ... corresponding with the serrations that we had observed in the other fibre that had been viewed as a transparent object. It was not at once that the eye could adapt itself to the brilliancy of the object; but by degrees these divisions developed themselves, and could be accurately traced.
第 18 頁 - To give one instance out of several which I have observed : — I crossed some white fantails, which breed very true, with some black barbs — and it so happens that blue varieties of barbs are so rare that I never heard of an instance in England ; and the mongrels were black, brown, and mottled.
第 25 頁 - The address of these dogs consists in restraining their ardour, and attaching themselves to no animal in particular, but keeping the whole herd in check. Now, among these dogs some are found, which, the very first time they are taken to the woods, are acquainted with this mode of attack ; whereas, a dog of another breed starts forward at once, is surrounded by the pecari, and, whatever may be his strength, is destroyed in a moment.
第 145 頁 - The seal of the company shall not be affixed to any instrument except by the authority of a resolution of the board of directors, and in the presence of at least two...
第 17 頁 - Agassiz believed in telegony. He was strongly of opinion • that the act of fecundation is not an act which is limited in its effect, but that it is an act which affects the whole system, the sexual system especially; and in the sexual system the ovary to be impregnated hereafter is so modified by the first act that later impregnations do not efface that first impression.