. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Proto, 780 H. S. Williams Am. J. S. [3] xxx, 1885, page 46, figs. 1-3.) Mem. Sci. 1886, p. 150, figs. 11-13.—Hall, Pal. N. Y., Yol. 7, .1888, page 153, plate 27, fig. 1, a view of the belly surface, from the original cast ia sandstone, {^g, 2^ omitted here. a diagram of it lettered to explain the parts of this earliest known '•'King-crab "); the cast is in very high relief, upon a block of fine-grained, compact, olive grey. Upper Chemung sands
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Proto, 780 H. S. Williams Am. J. S. [3] xxx, 1885, page 46, figs. 1-3.) Mem. Sci. 1886, p. 150, figs. 11-13.—Hall, Pal. N. Y., Yol. 7, .1888, page 153, plate 27, fig. 1, a view of the belly surface, from the original cast ia sandstone, {^g, 2^ omitted here. a diagram of it lettered to explain the parts of this earliest known '•'King-crab "); the cast is in very high relief, upon a block of fine-grained, compact, olive grey. Upper Chemung sandsto7ie^ from LeBoeuiF, Erie Co., Pa. If the specimen came from the ZeS^ewTf quarries rock, which J. 0. White makes Third Oil Sand, its age is early Catskill, or very late Chemung; the age in which so many interesting species of Eurypterids also lived. See Eurypterus.— VIII-IX, Protonopsis horrida, Cope, Pal. Ohio, Vol. 2, 1875, page 363, woodcut. Protospongia coronata, Dawson. This and the following Trans. A*. S. CctnMll^fplS. species were first described by Dawson & Hinde in Preliminary notes on new species of Fossil Sponges from Little Metis, Pro- vince of Quebec, Canada, Peter Eedpath Museum, McGill University, Montreal, Dawson Bros., 1888; and afterwards in Sir J. William Dawson's paper on New Species of Fossil Sponges from the Si]uro-Cambrian at Liftle Metis on the Lower St. Lawrence, with notes by Dr. G. J. Hinde, in Trans. R. S- Canada, Vol. VII, sect. 4, 1889; page 41, woodcut 8, restora- tion of the sponge; 10, internal cavity; also, plate 3, fig. 4, ap- pearance of the fossil on a piece of slate, as a mesh of needles turned into pyrites, forming the skeleton of the sponge, either free and held by the soft animal tissue as Prof. Sollas thinks, or cemented together at their points of contact, or connected by a spicular membrane as Prof. Hinde believes. The sponge was anchored in the mud by larger spiculge or rods; for a re-. Please note that these images are ex
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