. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 293 conglomerate limestone out-cropping on the ridge east of Troy, N. Y. Others have been found in similar cong. limestone beds at Bic, and St. Simon, Canada. (Larger specimens occur in the Big Cottonwood Canon shales of Utah.) In Georgian {Lower Cambrian) slates. Z. C.—See foot-note to p, 13i. Hyolithes {Theca.) Walcott, Bulletin U. S. G. S. No. 10, PI2 plate 2, fig. 4, cast of inside surface of a lid (operculum) I of this pteropod; fig. 4(2, o^lt- si
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 293 conglomerate limestone out-cropping on the ridge east of Troy, N. Y. Others have been found in similar cong. limestone beds at Bic, and St. Simon, Canada. (Larger specimens occur in the Big Cottonwood Canon shales of Utah.) In Georgian {Lower Cambrian) slates. Z. C.—See foot-note to p, 13i. Hyolithes {Theca.) Walcott, Bulletin U. S. G. S. No. 10, PI2 plate 2, fig. 4, cast of inside surface of a lid (operculum) I of this pteropod; fig. 4(2, o^lt- side surface ; both magnified /^wr diameters.—M, C, Hyolithes acadica. ( Theca acadica^ Hartt's label.) WaL , -^CN ^^^^^ Bulletin, U. S. G. S. No. 10, page ^-. ..^.-r^^ .20, plate 2, fig. 5, ventral face of the pteropod shell, natural size,—New Bruns- wick, in Saint John formation^ Middle Cambrian, M. C.—See foot-note to page 134. Hyolithes aclis. {Theca aclis.) Hall, Palaeontology of New York, V. 2, 1879, page 197, plate 32, figs. 22 to 30; plate 32 A. figs. 21 to 25.—In the semicalcareous shales of Cayuga lake, Hamilton. VIIIc, Hyolithes aculeatus. (Theca aculeatus.) Hall, Palaeon- tology of New York, V, 2, 1879, page 192; described in 1860 as Pugiunculus aculeata irom. Rockford,Ind. Lower Carboni- ferous goniatite beds. XIII? Hyolithes americanus. (Theca triangularis. Hall, 1847, ca u 6/ I'^l- N- Y. I, 313, plate ^^^ A ..r^-^^ A 87, 1 ^ to 1 6?.—Ford, 1871, Am. Jour. Sci. [3] II, 33.—Billings 1872, Can. Nat. [2j VI, 215, figs. 2 (^, b ; Am. Jour. S. [3] III, 353, figs. 2 a, b.) Walcott, Bull. G. S. No. 30, page 132, plate 13, fig. 6, ventral view, enlarged three times; fig. 6 a.^ dorsal view, of a narrow speci- men enlarged 2 1-2. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
