450 



CEPHALOPODA. 



[ORT. 



molestum, Hall, 1876, Illust. Devonian 

 Foss., pi. 35, and Pal. N. Y., vol. 5, pt. 

 2, p. 265, Up. Held. Gr. 



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

 1, p. 35, Chazy Gr. 



moniliforme, Swallow, 1858, Trans. St. Louis 

 Acad. Sci., vol. 1. The name was pre- 

 occupied. See O. swallovanum. 



montrealense, Billings, 1859, Can. Nat. 

 and Geo., vol. 4, p. 363, Calcifer- 

 ous Gr. 



multicameratum, Emmons, 1842, Geo. 

 Rep. N. Y., p. 382, and Pal. N. Y., vol. 



1, p. 45, Birdseye Gr. 

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



Mus. Nat. Hist., p. 76, and Pal. N. Y., 



vol. 5, pt. 2, p. 263, Schoharie grit. 

 multicinctum, Winchell, 1862. The name 



was preoccupied. See O. michiganense. 

 multilineatum, Emmons, 1842, Geo. Rep. 



N. Y., p. 397, Trenton Gr. 

 multiseptum, Hall, 1852, Pal. N. Y., vol. 



2, p. 14, Medina Gr. 



murrayi, Billings, 1857, Rep of Progr. 



Geo. Sur. Can., p. 332, Black Riv. and 



Trenton Grs. 

 niagarense, Hall, 1867, 20th Rep. N. Y. 



Mus. Nat. Hist., p. 416, Niagara Gr. 

 nobile, Meek & Worthen, 1865, Proc. 



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

 nodocostum, McChesney, 1861, New Pal. 



Foss., p. 94, Niagara Gr. 

 novamexicanum, Marcou, 1858, Geol. 



North America, p. 44, Subcarbonifer- 



ous. 

 nummularium, (?) 1839, Murch. Sil. Sys., 



p. 632, Up. Sil. 

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



Mus. Nat. Hist., p. 79, and Pal. N. Y., 



vol. 5, pt. 2, p. 299, Ham. Gr. 

 oberon, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 82, Niagara Gr. 

 occidentale, Swallow, 1858, Trans. St. 



Louis Acad. Sci., vol. 1, p. 201, Coal 



Meas., Permian Gr. 

 occidentak, Winchell, 1862. This name 



was preoccupied. See O. vinchellanuin. 

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



294, Ham. Gr. 

 okawense, Worthen, 1883, Geo. Sur. 111., 



vol. 7, p. 324, and Geo. Sur. 111., vol. 8, 



p. 149, Kaskaskia Gr. 

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



p. 245, Trenton Gr. Proposed instead 



of O. vertebrale, Hall, 1847. which was 



preoccupied, 

 ommaneyi, Salter, 1852, in Sutherland's 



Jour., vol. 2, Devonian, 

 oneidense, Walcott, 1879, Trans. Alb. 



Inst., vol. x, p. 22, Utica Slate Gr. 

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



Sur., No. 16, p. 51, Chemung Gr. 

 oppletum, Hall, 1879, Pal. N. Y., vol. 5, 



p. 248, Scboharie grit, 

 ordinatum, Billings, 1865, Pal. Foss., vol. 



1, p. 350, Calciferous Gr. 

 ortoni, Meek, 1872, Proc. Acad. Nat. Sci. 



Phil., p. 330, and Ohio Pal., vol. 1, p. 



155, Hud. Riv. Gr, 



orus, Hall, 1877, 1st Ed. Am. Pal. Foss., p. 

 245, Niagara Gr. Proposed instead of 



0, columnare, Hall, 1860, which was 

 preoccupied. 



ottawense, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 331, Black Riv. and 



Trenton Grs. 

 ozarkense, Shumard, 1863, Trans. St. 



Louis Acad. Sci., vol. 2, p. 107, Calcif- 

 erous Gr. 

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



307, Portage Gr. 

 palmatum, Hall, 1879, Pal. N. Y., vol. 5, 



p. 312, Chemung Gr. 

 pauciseptum, Hall, 1859, Pal. N. Y., vol. 



3, p. 346, Low. Held. Gr. 

 pelops, Hall, 1862, 15th Rep. N. Y. Mus. 



Nat. Hist., p. 73, and Pal. N. Y., vol. 5, 



pt. 2, p. 233, Schoharie grit, 

 pelops var. ohioense, Hall, 1876, Illust. 



Devonian Foss., pi. 36, and Pal. N. Y., 



vol. 5, pt. 2, p. 236, Up. Held. Gr. 

 perannulatum, Billings, 1857, Rep. of 



Progr. Geo. Sur. Can., p. 319. This 



name was preoccupied by Portlock in 



1843. See O. crocus, 

 perelegans, Salter, 1848, Mem. Geo. Sur. 



Gr. Brit., vol. 2, p. 354, Hum. Gr. 

 perparvum, Billings, 1862, Pal. Foss., vol. 



1, p. 27, Black Riv. Gr. 



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



p. 313, Quebec Gr. 

 persiphonatum, Billings, 1857, Rep. of 



Prog. Geo. Sur. Can., p. 329, Mid. Sil. 



If the genus Huronia is valid, this 



species will belong to it. 

 perstriatum, Hall, 1859, Pal. N. Y., vol. 



3, p. 346, Low. Held. Gr. 

 perstrictum, Dawson, 1868. The name was 



preoccupied by Barrande. See O. daw- 



sonanum. 

 pertextum, Hall, 1879, Pal. N. Y., vol. 5, 



p. 314, Chemung Gr. 

 pertinax, Billings, 1860, Can. Nat. and 



Geo., vol. 5, p. 75, Black Riv. Gr. 

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



257, Schoharie grit, 

 pileolum, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 58, Medina Gr. 

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



p. 251, Quebec Gr. 

 piso, Billings, 1862, Pal. Foss., vol. 1, p. 



168, Hud. Riv. Gr. 

 planoconvexuuj, Hall, 1861, Rep. of Progr. 



Wis., p. 47, and Geo. Wis., vol. 4, p. 



228, Black Riv. and Trenton Grs. 

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



255, Schoharie grit. 

 pressum, Rogers, 1868, Bigsby, Thesaurus 



Siluricus, p. 180. Not defined, 

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



p. 253, Quebec Gr. 

 primigenium, Vanuxem, 1842, Geo. Rep. 



N. Y., p. 36, and Pal. N. Y., vol. 1, p. 



13, Calciferous Gr. 

 procerum, Hall, 1876, Illust. Devonian 



Foss., pi. 35, and Pal. N. Y., vol. 5, pt. 



2, p. 249, Schoharie grit. 



