CRT.] 



CEPHAL OPODA. 



451 



profundum, Hall, 1862, 15th Rep. N. Y. 



Mus. Nat. Hist., p. 76, Up. Held. Gr. 

 propinquum, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can,, p. 320. Preoccupied. 



See O. fulgur. 

 punctostriatum, Hall, 1860, Can. Nat. and 



Geo., vol. 5, p. 154, Up. Sil. 

 pustulosum, Winchell, 1866, Rep. Low. 



Peninsula Mich., p. 97, Ham. Gr. 

 pylades, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 84, Niagara Gr. 

 python, Billings, 1857, Rep. of Progr. Geo. 



Sur. Can., p. 335, Trenton Gr. 

 randolpherise, Worthen, 1882, Bull. No. 1, 



111. St. Mus. Nat. Hist., p. 38, Kaskaskia 



Gr. Proposed instead of O. annulato- 



costatum, Meek & Worthen, which was 



preoccupied. 



rapax, see Endoceras rapax. 

 raptor, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 57, Medina Gr. 

 recedens, Barrande, 1869, Sys. Sil. de 



Boh., 4me ser., p. viii, pi. 433, Quebec Gr. 

 rectiannulatum, Hall, 1847, Pal. N. Y., 



vol. 1, p. 34, Chazy and Birdseye Grs. 

 recticameratum, Hall, 1847, Pal. N. Y., 



vol. 1, p. 46, Birdseye Gr. 

 rectum, Worthen, 1875, Geo. Sur. 111., 



vol. 6, p. 504, Niagara Gr. 

 remus, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 85, Niagara Gr. 

 repens, Billings, 1865, Pal. Foss., vol. 1, 



p. 312, Quebec Gr. 

 reticulatum, Phillips, 1836, Geol. York., 



Chemung Gr. Not clearly identified 



in this country, 

 rigidum, Hall, 1859, Pal. N. Y., vol. 3, p. 



344, Low. Held. Gr. 

 robustum, Winchell, 1862, Am. Jour. 



Sci., 2d ser., vol. 33, p. 356, Mar- 

 shall Gr. 



robustum, Hall, 1876. The name was pre- 

 occupied. See O. eriense. 

 rotulatum, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 334, Niagara Gr. 

 rude, Hall, 1859, Pal. N. Y., vol. 3, p. 346, 



Low. Held. Gr. 

 rudens, Beecher, 1888, Pal. N. Y., vol. 7, 



p. 28, Ham. Gr. 

 rudicula, Hall, 1876, lllust. Devonian 



Foss., pi. 37, and Pal. N. Y., vol. 5, pt. 



2, p. 268, Up. Held. Gr. 

 rushense, McChesney, 1860, New. Pal. 



Foss., p. 68, and Geo. Sur. 111., vol. 5, 



p. 612, Coal Meas. 

 sayi, Billings, 1865, Pal. Foss., vol. 1, p. 



315, Quebec Gr. 

 scammoni, McChesney, 1861, New Pal. 



Foss., p. 92, Niagara Gr. 

 sceptrum, Beecher, 1888, Pal. N. Y., vol. 



7, p. 26, Up. Held. Gr. 

 scintilla, Hall, 1879, Pal. N. Y., vol. 5, p. 



293, Ham. Gr. 

 sedgwicki, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 320, Hud. Riv. Gr. 

 eelwyni, Billings, 1862, Pal. Foss., vol. 1, 



p. 161, Guelph Gr. 

 servile, Billings, 1865, Pal. Foss., vol. l,p. 



252, Quebec Gr. 



shumardi, Billings, 1859, Can. Nat. and 



Geo., vol. 4, p. 460, Chazy Gr. 

 sicinus, Hall, 1879, Pal. N. Y., vol. 5, p. 



301, Marcellus Shale, 

 sieboldi, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 23, Hud. Riv. and Anti- 



costi Grs. 

 simpsoni, Billings, 1859, Rep. of Progr. 



Assiniboine and Saskatchewan Ex. 



Exp., p. 186, Silurian, 

 simulator, Hall, 1876, 28th Rep. N. Y. 



Mus. Nat. Hist., p. 179, Niagara Gr. 

 sirpus, Hall, 1879, Pal. N. Y., vol. 5, p. 



269, Up. Held. Gr. 

 sociale, Hall, 1877, 1st Ed. Am. Pal. 



Foss., p. 245, Hud. Riv. Gr. Proposed 



instead of O. gregarium, Hall, 1861, 



which was preoccupied, 

 sordidum, Billings, 1859, Can. Nat. and 



Geo., vol. 4, p. 363, Calciferous Gr. 

 spissiseptum, Dwight, 1884, Am. Jour. 



Sci. and Arts, 3d. ser., vol. 27, p. 256, 



Calciferous Gr. 

 spissum, Hall, 1879, Pal. N. Y., vol. 5, p. 



287, Ham. Gr. 

 stebos, Clarke, 1885, Bull. U. S. Geo. 



Sur., No. 16, p. 29, Genesee Shale, 

 striatum, (?) Sowerby, 1812, Min. Conch., 



vol. 1, p. 129, Devonian, 

 striselineatum, McChesney, 1861, New 



Pal. Foss., p. 94, Niagara Gr. 

 strigatum, Hall, 1847, Pal. N. Y., vol. 1, 



p. 205, Trenton Gr. 

 strix, Hall & Whitfield, 1875, Ohio Pal., 



vol. 2, p. 149, Niagara Gr. 

 stylus, Hall, 1877, 1st Ed. Am. Pal. Foss., 



p. 245, and Pal. N. Y., vol. 5, pt. 2, p. 



253, Schoharie grit. Proposed instead 



of O. baculum, Hall, 1862, which was 



preoccupied. 

 subarcuatum, Hall, 1847, Pal. N. Y., vol. 



1, p. 34. Preoccupied by Portlock in 1843. 



See O. clintoni. 

 subbaculum, Meek & Worthen, 1865, Proc. 



Acad. Nat. Sci., p. 256, Niagara Gr. 

 subcancellatum, Hall, 1877, 1st Ed. Am. 



Pal. Foss., p. 245, Niagara Gr. Pro- 

 posed instead of O. cancellatum, Hall, 



1852, which was preoccupied, 

 sublaeve, D'Orbigny, 1850, Prodrome de 



Pal., t. 1, p. 28, Onondaga Gr. Pro- 

 posed instead of O. Iseve, Hall, 1843, 



which was preoccupied, 

 subtextile, Hall, 1859, Pal. N. Y., vol. 3, 



p. 344, Low. Held. Gr. 

 subulatum, Hall, 1843, 4th Dist. Geo. 



Rep. N. Y., p. 180, and Pal. N. Y., vol. 



5, pt. 2, p. 283, Marcellus Shale, 

 swallovanum, S. A. Miller, 1883, 2d Ed. 



Am. Pal. Foss., p. 808, Coal Measures 



in the Valley of Verdigris in Kansas. 



Proposed instead of O. moniliforme, 



Swallow, in Trans. St. Louis Acad. Sci., 



vol. 1, p. 200, which was preoccupied 



by Hall, 

 tantalus, Hall, 1879, Pal. N. Y., vol. 5, p. 



241, Schoharie grit, 

 telatnon, Hall, 1879, Pal. N. Y., vol. 5, p. 



291, Hani. Gr. 



