448 



CEPHALOPODA. 



[OUT. 



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



349, Calcif. Gr. 

 elegantulum, Dawson, 1860, Can. Nat. 



and Geo., vol. 5, p. 155, and Acad. 



Geol., p. 607, Up. Sil. 

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



Mus. Nat. Hist., p. 170, Ham. Gr. 

 epigcus, Hall, 1858, Trans. Alb. Inst, vol. 



4, p. 33, and Bull. Am. Mus. Nat, Hist., 



p. 91, Warsaw Gr. 

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



6274, and Pal. N. Y., vol. 5, p. 274, 

 am. Gr. Proposed instead of O. ro- 



bustum, which was preoccupied, 

 eurekense, Walcott, 1885, Monogr. U. S. 



Geo. Sur., vol. 8, p. 265, Subcarbon- 



iferous. 

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



Nat. Hist., p. 78, and Pal. N. Y., vol. 5, 



pt. 2, p. 290, Ham. Gr. 

 exornatum, Dawson, 1860, Can. Nat. and 



Geo., vol. 5, p. 198, Up. Sil. 

 expansum, Meek & Worthen, 1860, Proc. 



Acad. Nat, Sci. Phil., p. 468, and Geo. 



Sur. 111., vol. 2, p. 286, St. Louis Gr. 

 explorator, Billings, 1865, Pal. Foss., vol. 



1, p. 253, Quebec Gr. 

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



7, p. 29, Chemung Gr. 

 ferum, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 22, Hud. Riv. and Anti- 



costi Gr. 

 filiforme, Castelnau, 1843, Syst. Sil., p. 30, 



Niagara Gr. Not recognized, 

 filosum, Clarke, 1885, Bull. U. S. Geo. Sur., 



No. 16, p. 52, Chemung Gr. 

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



p. 255, Quebec. Gr. 

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



239, Schoharie grit. 



foliatum, syn. for Cyrtoceras eugenium. 

 formosum, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 317, Trenton, Hud. 



Riv., and Anticosti Grs. 

 fosteri, S. A. Miller, 1875, Cin. Quar. Jour. 



Sci., vol. 2, p. 127, and Jour. Cin. 



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



Riv. Gr. 

 foxense, Safford, 1869, Geo. of Tenn. Not 



defined, 

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



310, Chemung Gr. 

 fulgur, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 22, Hud. Riv. Gr. Proposed 



instead of O. propinquum, which was 



preoccupied, 

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



p. 348, Calcif. Gr. 

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



p. 60, Black Riv. and Trenton Grs. 

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



281, Ma rcellus Shale, 

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



p. 350, Calciferous Gr. 

 goldfussi, Troost, 1838, (Conotubularia 



goldfus-i,) Mem. Soc. Geo. de France, 



t. 3, p. 90, Low. Sil. 

 gracilium, Winchell, 1862, Proc. Acad. 



Nat. Sci., p. 429, Portage Gr. 



gregarium, Hall, 1861, Rep. of Progr. Wis. 



Preoccupied by Sowerby in 1839, Murch. 



Sil. Syst. See O. sociale. 

 griffithf, Haughton, 1857, Jour. Roy. Dub. 



Soc., vol. 1, Devonian. ? 

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



p. 254, Quebec Gr. 

 hageri, Hall, 1861, Geol. of Vermont, p. 



718, Calciferous Gr. 



FIG. 752. Orthoceras hallanum. 



hallanum, S. A. Miller, 1877, 1st Ed. Am. 

 Pal. Foss., p. 245, Hud. Riv. Gr. Pro- 

 posed instead of 0. halli, in Cin. Quar. 

 Jour. Sci., vol. 2, p. 128, which was pre- 

 occupied by Barrande. 



halli, see 0. hallanum. 



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

 Jour. Sci., vol. 2, p. 128, and Jour. Cin. 

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

 Riv. Gr. 



harttanutn, S. A. Miller, 1883, 2d Ed. Am. 

 Pal. Foss., p. 307, Carboniferous. Pro- 

 posed instead of O. laqueatum, Hartt, 

 in Acadian Geol, p. 312, fig. 128, which 

 was preoccupied. 



hastatum, Billings, 1857, Rep. of Progr. 

 Geo. Sur. Can., p. 333, Black Riv. and 

 Trenton Grs. Type of Hyatt's genus 

 Tripteroceras. 



helderbergi*, Hall, 1859, Pal. N. Y., vol. 

 3, p. 345, Low. Held. Gr. 



henrietta, Dwight, 1884, Am. Jour. Sci. 

 and Arts, 3d ser., vol. 27, p. 256, Cal- 

 ciferous Gr. 



hercirlaneum, Verneuil, 1846, Bull, de la 

 Soc. Geol. de France, vol. 4, Low. Sil. 



Hercules, Castelnau, 1843, Syst. Sil., p. 29, 

 Up. Sil. Not recognized. 



heterocinctum, Winchell, 1863, Proc. 

 Acad. Nat. Sci., p. 23, Kinderhook Gr. 



hindei, James. Founded on fragments of 

 different species, most of them O. trans- 

 versum. 



hoyi, McChesney, 1861, New Pal. Foss., 

 p. 92, Niagara Gr. 



huronense, Billings, 1857, Rep. of Progr. 

 Geo. Sur. Can., p. 337, Trenton Gr. 



hyas, Hall, 1862, syn. for O. thoas. 



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

 p. 31, Kinderhook Gr. 



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

 302, Ham. Gr. 



illinoisense, Worthen, 1883, Geo. Sur. 111., 

 vol. 7, p. 323, and Geo. Sur. 111., vol. 8, 

 p. 148, Kaskaskia Gr. 



