446 



CEPHALOPODA. 



[on. 



aequale, Emmons, 1842, Geo. Rep. N. Y. 



p. 404, Hud. Riv. Gr. 

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



Mus. Nat, Hist., p. 414, Niagara Gr. 

 allumettense, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 3."»l,Chazy and Black 



Riv. Grs. 

 amplicameratum, Hall, 1847, Pal. N. Y., 



vol. 1, p. 205, Black Riv. and Tren- 

 ton Grs. 

 amycus, Hall, 1879, Desc. New Spec. 



Foss., p. 18, and 11th Rep. Geo. Sur. 



Ind., p. 324, Niagara Gr. 

 anax, Billings, 1875, Can. Nat. and Geol., 



vol. 7, p. 238, Up. Held. (Jr. 

 anguis, Hall, 1879. Pal. N. Y, vol. 5, pt. 



2, p. 312, Chemung < Jr. 

 angulatum, (f) Wahlenberg, 1821, Nova. 



Acta. Soc. Sci. Upsal.. p. 90, Niagara 



Gr. See remarks on this species by 



Prof. Hall in 20th Rep. N. Y. Mus. 



Nat. Hist., p. 413. 

 anellus, Conrad. 1843, Proc. Acad. Nat. 



Sci. Phil., vol 1, p. 334. and Pal. N. Y., 



vol. 1, p. 202, Black Riv. and Tren- 

 ton Grs. 

 annitlato-costatinii. Meek A Worthen, 1861, 



Proc. Acad. Nat. Sci. Phil., p. 147. 



This name was preoccupied by Boll in 



1857. See O. randolphense. 

 annulatum, Sowerby, 1818, Min. Conch., 



vol. 2, p. 77, Clinton and Niagara Grs. 

 antenor, Billings, 1859, Can. Nat. and Geo., 



vol. 4, p. 463, Chazy Gr. 

 anticostiense, Billings, 1857. Rep. of 



Progr. Geo. Sur. Can., p. 316, Hud. 



Riv. Gr. 

 aptum, Hall, 1879, Pal. N. Y., vol. 5, pt. 



2, p. 282, Marcellus Shale. 

 arcuatellum, Sandberger. Is not an Amer- 

 ican species, 

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



1, p. 198, Black Riv. and Trenton Grs. 

 arenosum, Hall, 185H, Pal. X. Y., vol. 3, 



p. 480, Orhkany sandstone, 

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



Sur., No. 16, p. 30, Genesee Shale, 

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



305, Portage Gr. 

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



p. 312, Quebec ( I r. 

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



293, Ham. Gr. 

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



p. 91, Quebec Gr. 

 baculum, Meek, 1860, Proc. Acad. Nat. 



Sci., p. 310, Subcarboniferous. 

 baculum, Hall, 1862. The name was pre- 

 occupied. See O. stylus, 

 balteatum, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 318, Hud. Riv. Gr. 

 barquianum, Winchell, 1862, Am. Jour. 



Sci., 2d ser., vol. 33, Marshall Gr. 

 bartonense, Spencer, 1884, Bull. No. 1, 



Mus. Univ. St. Mo., p. 60, Niag- 

 ara Gr. 

 bebryx, Hall, 1876, Illust. Devonian Foss., 



pl. 39, and Pal. N. Y v vol. 5, pt. 2, p. 



275, Ham. Gr.; F 



bebiyx var. cayuga, Hall, 1879, Fri. N. Y., 



vol. 5, p. 276, Chemung Gr. 

 becki, Billings, 1859, Can. Nat. ami < leol., 



vol. 4, p. 362, Calciferous Gr. 

 bellatulum, Billings, 1866, Catal. Sil. Foss. 



Antic, p. 58, Clinton Gr. 

 beloitense, Whitfield, is:s, Ann. Rep. 



Geo. Sur. Wis., p. 97, and Geo. Wis., 



vol. 4, p. 228, Trenton Gr. 

 bilineatiun, IJall. 1847, l'al. N. Y., vol. 1, 



?. 199, Clia/y. Black Riv., Trenton, and 

 lud. Riv. (irs. 

 bilineatum var. a, Hall, 1S47. Pal. N. Y., 



vol. 1, p. 200. Trenton Gr. 

 bipartitum, Hall, 1N7!>. l'al. N V., vol. :.. 



p. 313, l'i>. Obemuog < >v. 

 brainerdi, Whitfield, 1888, Hull. Am. 



Mus. Nat. Hist, rol. I, p. 819, Birds- 



eye Gr. 

 brongniarti, Troost, 1838, (Conotubularia 



brongniarti,) Mem. Soc. (ieo. de France, 



3, p. 89, I.<»w. Sil. 

 brontes, Billings, 1866, Catal. Sil. Foss. 



Antic, p. 83, Niagara (Jr. 

 bucklandi, Billing, \<u, Rep. of Progr. 



Geo. Sur. Can., p. 830, Up. Sil. 



ammzz 



Fig. 760.— -Orthocerns nyi-m-i. 



bullatum, (?) Sowerby, 1839, Murch. Sil. 



Syst., |>. 7(>5, Trenton Gr. 

 byrnesi, S. A. Miller, 1875, Cin. Quar. 



Jour. Sci., vol. 2, p. 126, and Jour. Cin. 



Soc. Nat. Hist., vol. 4, p. 819, 11 ml. 



Riv. Gr. 

 cadmus, Billings, 1866, Catal. Sil. Foss. 



Antic, p. 83, Niagara Gr. 

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



298, Ham. Gr. 

 cameolare, McChesney, 1861, New Pal. 



Foss., p. 93, Niagara Gr. 

 canadense, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 821, .Mid. Sil. Prof. 



Billings proposed this name as a sub- 

 stitute for Huronia vertebralis for the 



reason that Huronia is a syn. for 



Orthoceras, and there is one O. verte- 



bralis. 

 cancellation, Hall, 1852, Pal. N. Y., vol. 8, 



The name was preoccupied by Kich- 



wald in 1842. See O. subcancellatiun. 

 capitolinum, Safford, 1869, Geo. of Tenn., 



p. 290, Trenton Gr. 

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



vol. 2, p. 98, Hud. Riv. Gr. 

 carltonense, Whitfield, 1878, Ann. Rep. 



Geo. Sur. Wis., p. 85, and Geo. Wis., 



vol. 4, p. 318, Niagara Gr. 

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



p. 258, Schoharie grit, 

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



p. 315, Quebec Gr. 



