658 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



ICHTHYOCEINUS Conrad. Genotype: I. leevis Conrad. 



Ichthyocrinus Conrad, Jour. Acad. Nat. Sci. Philadelphia, 1842, 8, p. 279. 

 D'Orbigny, Prodr. de Pal., 1, 1849, p. 46. Hall, Pal. New York, 2, 1852, 

 pp. 195-355. McCoy, British Pal. Rocks FOBS., 1854, p. 54. Pictet, Traite 

 de Pal., 2d ed., 4, 1857, p. 319. Hall, Rep. Geol. Surv. Iowa, 1, 1858, pt. 2, 

 p. 557. Beyrich, Ann. Mag. Nat. Hist., 4th ser., 7, 1871, p. 403. Salter, 

 Cat. Camb. and Sil. FOBS., 1873, p. 126. Angelin, Icon. Crinoid., 1878, p. 13. 

 Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1878, p. 252; 

 ibid., 1886, p. 67; ibid., 1888, p. 353; ibid., 1890, p. 387. Zittel, Handb. 

 Pal., 1, 1879, p. 355. Miller, N. A. Geol. Pal., 1889, p. 256. Bather, Nat. 

 Sci., 12, 1898, p. 341. Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 

 4, pt. 1, 1900, p. 145, fig. 53. Bather, Treatise on Zool., pt. 3, Echinoderma, 

 London, 1900, p. 188, fig. 108. Wachsmuth, Zittel-Eastman Textb. Pal., 1, 

 1900, p. 163. Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 159; Bull. 

 New York State Mus., 45, 1901, p. 159. Springer, Jour. Geol., 14, 1906, p. 

 516. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 563. Springer, 

 Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 204. 



Ichthyocrinus? clintonensis Hall. 



Ichthyocrinus? clintonensis Hall, Pal. New York, 2, 1852, p. 181, pi. A40, fig. 5. 

 Lower Clinton: Reynales Basin, Niagara County, New York. 



Ichthyocrinus conoideus Ringueberg. 



Ichthyocrinus conoideus Ringueberg, Ann. New York Acad. Sci., 5, 1890, p. 305, 



pi. 3, fig. 5. Springer, Mon. Crin. Flex. , Smith. Inst. (in press). 

 Niagaran (Lockport-Gasport member): Lockport, New York. 



Ichthyocrinus corbis Winchell and Marcy. 



Ichthyocrinus corbis Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, 



p. 89, fig. Miller, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 175, pi. 4, fig. 



5; N. A. Geol. Pal., 1889, p. 256, fig. 343. 

 Niagaran (Racine): Chicago and Cicero, Illinois. 



Ichthyocrinus Iffivis Conrad. 



Ichthyocrinus Isevis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 27i 

 pi. 15, fig. 16. Hall, Pal. New York, 2, 1852, p. 195, pi. 43, figs. 2a-j 

 Billings, Canadian Nat. Geol., 1, 1856, p. 59, pi. fig. 4. Pictet, Traite de 

 2d ed., 4, 1857, p. 319, pi. 100, fig. 17. Emmons, Man. Geol., 1860, p. 110, 

 fig. 100. Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, pi. 

 fig. 3. Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 

 p. 258. Miller, N. A. Geol. Pal., 1889, p. 256, fig. 344. Grabau, Bull. Buffs 

 Soc. Nat. Sci., 7, 1901, p. 159, fig. 54; Bull. New York State Mus., 45, 1901, p. 

 159, fig. 54. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 564, fig. 1900. 



Cyathocrinites pyriformis Hall, Nat. Hist. New York Geol., 4, 1843, p. 11, fig. 

 p. 112, tab. ill. 17, fig. 3. Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 314, fi: 



Cyathocrinus pyriformis Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 

 figs. 



Lecanocrinus simplex Hall, Pal. New York, 2, 1852, p. 202, pi. 46, figs. 2a-e. 



Ichthyocrinus simplex Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1879 (Rev. Pal., 1, 1879, p. 35). 



Clinton (Rochester): Lockport, Rochester, etc., New York; Ontario. 



ICHTHYOCRINUS SIMPLEX Wachsmuth and Springer. See Ichthyocrinus laevis. 



Ichthyocrinus subangularis Hall. 



Ichthyocrinus subangularis Hall, Trans. Albany Inst., 4, 1863, p. 201 (abstract, 

 p. 7); 20th Rep. New York State Cab. Nat. Hist, (extras, 1865), p. 325, pi. 



AJ . V , 



JEfelo 



