. The wonder of life. Biology; Natural history; Zoology. 4 THE WONDER OF LIFE there is more and more behaviour as we ascend, and we may even discern the springs of conduct. It must not be supposed, however, that the history discloses any straightforward progress, for it is full of retrogressions and of strange culs-de-sac. The tapeworm ^i/iTa'~:.^^'i. Fia. 2.—Extinct bipedal Reptile, Iguanodon mantelli, about 12 feet high. The genus is restricted to the Wealden (Cretaceous). {After DoUo.) is as much a product of evolution as the bird, and is as well adapted to its inglorious lot as the l
. The wonder of life. Biology; Natural history; Zoology. 4 THE WONDER OF LIFE there is more and more behaviour as we ascend, and we may even discern the springs of conduct. It must not be supposed, however, that the history discloses any straightforward progress, for it is full of retrogressions and of strange culs-de-sac. The tapeworm ^i/iTa'~:.^^'i. Fia. 2.—Extinct bipedal Reptile, Iguanodon mantelli, about 12 feet high. The genus is restricted to the Wealden (Cretaceous). {After DoUo.) is as much a product of evolution as the bird, and is as well adapted to its inglorious lot as the lark to heaven's gate. There have been extraordinary failures, too, in the sense that many extinct types of great perfection have left no direct descendants. We do not know that their. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Thompson, John Arthur, Sir, 1861-1933. London, A. Melrose, Ltd
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