"Polype" Quotes from Famous Books
... Mollusca: amongst insects again, even the most different ones, as the moth, fly and beetle, the crawling larvae are all closely analogous: amongst the Radiata, the jelly-fish in its embryonic state resembles a polype, and in a still earlier state an infusorial animalcule—as does likewise the embryo of the polype. From the part of the embryo of a mammal, at one period, resembling a fish more than its parent form; from the larvae of all orders of insects more ... — The Foundations of the Origin of Species - Two Essays written in 1842 and 1844 • Charles Darwin
... formula which expresses the essential structural character of the highest animal cover all the rest, as the statement of its powers and faculties covered that of all others? Very nearly. Beast and fowl, reptile and fish, mollusk, worm, and polype, are all composed of structural units of the same character, namely, masses of protoplasm with a nucleus. There are sundry very low animals, each of which, structurally, is a mere colourless blood-corpuscle, leading an independent life. But, at the very bottom of ... — English Prose - A Series of Related Essays for the Discussion and Practice • Frederick William Roe (edit. and select.)
... which according to the hypothesis it has once before performed. It cannot so determine the polarity of the molecules with which it is supplied by the arteries as to constrain them to group themselves into a new layer, instead of merely repairing an old one. A crab or a lobster, or a polype's molecules are clever enough for this, a man's not. Without pressing these objections, but on the contrary, conceding for the nonce and for argument's sake, to molecular polarity, to immanent properties, to Epigenetic evolution, all the efficacy claimed for them, I limit myself to inquiring what ... — Old-Fashioned Ethics and Common-Sense Metaphysics - With Some of Their Applications • William Thomas Thornton
... wonderful truths, the more so because the zoologist finds them to be of universal application. The investigation of a polype, of a snail, of a fish, of a horse, or of a man, would have led us, though by a less easy path, perhaps, to exactly the same point. Unity of plan everywhere lies hidden under the mask of diversity of structure—the complex is everywhere evolved out of the simple. Every animal ... — Discourses - Biological and Geological Essays • Thomas H. Huxley |