446 



CEPHALOPODA. 



[ORT. 



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



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. 331,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 llth Rep. Geo. Sur. 



Ind., p. 324, Niagara Gr. 

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



vol. 7, p. 238, Up. Held. Gr. 

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



2, p. 312, Chemung Gr. 

 angulatum, (?) Wahlenberg, 182F, 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. 

 annulato-costaium. Meek & 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, Ctiazy 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, 1859, Pal. N. Y., vol. 3, 



p. 480, Oriskany 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 Gr. 

 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., 



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



275, Ham. Gr.. 



bebryx var. cayuga, Hall, 1879, Pal. N. Y., 



vol. 5, p. 276, Chemung Gr. 

 becki, Billings, 1859, Can. Nat. and Geol., 



vol. 4, p. 362, Calciferous Gr. 

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



Antic., p. 58, Clinton Gr. 

 beloitense, Whitfield, 1878, Ann. Rep. 



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



vol. 4, p. 226, Trenton Gr. 

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



p. 199, Chazy, Black Riv., Trenton, and 



Hud. Riv. Grs. 

 bilineatum var. a, Hall, 1847, Pal. N. Y., 



vol. 1, p. 200, Trenton Gr. 

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



p. 313, Up. Chemung Gr. 

 brainerdi, Whitfield, 1886, Bull. Am. 



Mus. Nat. Hist., vol. 1, p. 319, Birds- 

 eye Gr. 

 brongniarti, Troost, 1838, (Conotubularia 



brongniarti,) Mem. Soc. Geo. de France, 



3, p. 89, Low. Sil. 

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



Antic., p. 83, Niagara Gr. 

 bucklandi, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 330, Up. Sil. 



FIG. 750. Orthoceras byrnesl. 



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



Syst., p. 705, Trenton Gr. 

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



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



Soc. Nat. Hist., vol. 4, p. 319, Hud. 



Riv. Gr. 

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



Antic., p. 83, Niagara Gr. 

 cselamen, 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. 321, Mid. Sil. Prof. 



Billings proposed this name as a sub- 

 stitute for Huronia yertebralis for the 



reason that Huronia is a syn. for 



Ortboceras, and there is one O. verte- 



bralis. 

 cancellatum, Hall, 1852, Pal. N. Y., vol. 2. 



The name was preoccupied by Eich- 



wald in 1842. See O. subcancellatum. 

 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, ^choharie grit, 

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



p. 315, Quebec Gr. 



