Excerpt from New Species of Crinoids Cephalopods and Other Pal???ozoic Fossils A knowledge of evolution followed the domestication of animals centuries ago but how and where it takes place is a subject of mod ern investigation. And we do not know how or where it has taken place, except as a result of observation and experiment. The theory of evolution does not account for anything, though an established fact may be consistent with the theory. All biological knowledge follows the discovery of the hard and soft parts of the ...
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Excerpt from New Species of Crinoids Cephalopods and Other Pal???ozoic Fossils A knowledge of evolution followed the domestication of animals centuries ago but how and where it takes place is a subject of mod ern investigation. And we do not know how or where it has taken place, except as a result of observation and experiment. The theory of evolution does not account for anything, though an established fact may be consistent with the theory. All biological knowledge follows the discovery of the hard and soft parts of the anatomy of living animals, but among extinct fossil animals it is only to be in ferred after a full knowledge of the hard parts found preserved. And Agarner-77311us is a good genus with which to make an illustra tion. We know that some crinoids, as were per manently attached by roots that penetrate the mud, at the. Bed of the sea, like a forest tree penetrates the soil on land that others, like i-lnonmlocri'nus attached roots to foreign objects, or were free, like -1rus, and though floaters could attach themselves by coiling the tapering ends of their columns ar and other objects; but we. Do not. Know to which of these divisions Aynricocriqms belonged. \ve know that the columns in some crinoids were square, others pentagonal and others round and that the column of A -us was round: but we do not know what significance. If any, in the line of (levelopment is to be attached to the form of the column, its structure, or the shape of the columnar canal. We know nothing of the internal anatomy of the calyx or head of Amt'r-t'cocm'nzts and cannot. Trace the source of the genus, if it is to be found, in known species of earlier age or find the evidences of its survival, if it did survive, in later crinoidal forms. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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