Verrill, A. Hyatt (Alpheus Hyatt), 1871-1954 · New York, R. M. McBride & co. · leaf 65
fragment-ary form they look like piles of lozenges or disks(Fig 8). It is seldom that an entire crinoid isfound well preserved in fossil form and many aboy and man has been puzzled over the odd, jointed,stems which are so different from anything withwhich we are familiar. While the majority of… … Fig. 7. A modern Crinoid or Sea Lily character. These, instead of being transformed tosoft rock, have been impregnated with water con-taining silica and have been turned into the hardestquartz, agate, or jasper. This is very frequently FOSSILS 43 the case with trees, plants, and other porous…
Collectors and collecting
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