"Invertebrata" Quotes from Famous Books
... on the Embryology of the Invertebrata, 1914 (Text-Book of Embryology, edited by Walter Heape, vol. i.), Professor E. W. MacBride in his general summary (chapter xviii.) puts forward suggestions concerning hormones without any reference to those who have discussed the subject previously. He considers the matter from ... — Hormones and Heredity • J. T. Cunningham
... Plants generate but an extremely small quantity of heat, which is to be detected only by delicate experiments; and practically they may be considered as being in this respect like their environment. Aquatic animals rise very little above the surrounding water in temperature: that of the invertebrata being mostly less than a degree above it, and that of fishes not exceeding it by more than two or three degrees, save in the case of some large red-blooded fishes, as the tunny, which exceed it by nearly ten degrees. Among insects, the range is from two to ten ... — Essays: Scientific, Political, & Speculative, Vol. I • Herbert Spencer
... progressive modification which are cited from among the Invertebrata appear to me to have a foundation less open to criticism than these; and if this be so, no careful reasoner would, I think, be inclined to lay very great stress upon them. Among the Vertebrata, however, there are a few examples which appear to be ... — Geological Contemporaneity and Persistent Types of Life • Thomas H. Huxley |