Aldrich, Thomas Bailey, 1836-1907 · Boston, CT : Hall and Locke · leaf 111
heGreat Salt Lake of Utah,and a hundred or moreother similar basins of thepresent day. In the sea animals of thistime we find many changes. . , T /. , 1 . , Fig. 7. Mtrmecobius. Already some oi the giant lizard-like animals, which first took shape on the land,are becoming swimming-animals. They… … Some Records of the Rocks 85 they were before. The trilobites are gone, and of thecrinoids only a remnant is left. Most of the corals ofthe earher days have disappeared, but the molluskshave not changed more than they did at several differ-ent times in the earhest stages of the earths history.…
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