Aldrich, Thomas Bailey, 1836-1907 · Boston, CT : Hall and Locke · leaf 216
and left their hard parts in the mud, just asthe oysters die and leavetheir shells behind them,in the mud of the presentseas. There are, at the pres-ent day, certain groupsof animals which arenever found in freshwaters, being unable tolive anywhere but in thesea. Such are the corals; those… … Uppbr Silurian Corals andCrustaceans. 188 Wonders of Earth, Sea, and Sky- Not only are all these creatures confined to salt waterat the present day, but, so far as our records of thepast go, the conditions of their existence have been thesame: hence, their occurrence in any deposit is asstrong…
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