292 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



CROTALOCRINITES Austin and Austin. See Crotalocrinus Austin and Austin. 



CROTALOCRINUS Austin and Austin. Genotype: Cyathocrinites rugosus Miller. 



Crotalocrinites Austin and Austin, Ann. Mag. Nat. Hist., 11, 1843, p. 198. 



Crotalocrinus Morris, Cat. British Foss., 1st ed., 1848, p. 50. Muller, Ann. Mag. 

 Nat. Hist,, 2d ser., 13, 1854, p. 254. McCoy, British Pal. Rocks and Foss., 

 1854, p. 54. Salter, in Murchison, Siluria, 2d ed., 1854, p. 219. Pictet, 

 Traite" de Pal., 2d ed., 4, 1857, p. 312. Austin, Cat. Camb. Sil. Foss., 1873, 

 p. ]23. Angelin, Icon. Crinoid., 1878, p. 26. Zittel, Handb. Pal., 1, 1879, 

 p. 356. DeLoriol, Pal. Francaise, 2, 1882, p. 51. Carpenter, Ann. Mag. Nat. 

 Hist., 5th ser., 18, 1886, p. 397. Wachsmuth and Springer, Proc. Acad. Nat. 

 Sci. Philadelphia, 1886, pp. 66, 69, (Rev. Pal., pt. 3, sec. 2, pp. 142, 145); 

 1888, pp. 264-390. Jaekel, Zeits. d. d. geol. Gesell., 49, 1897, p. 47. Weller, 

 Jour. Geol., 6, 1898, p. 700. Bather, Geol. Mag., dec. 4, 5, 1898, p. 327, 

 figs. 1, 3, 4; Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 176, fig. 92, 

 3. Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, pp. 19, 

 141, fig. 52. Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 216. 



CROTALOCRINUS AMERICANUS Weller. See Crotalocrinus cora. 



Crotalocrinus cora (Hall). 



Cyathocrinus cora Hall, adv. sheets 18th Rep. New York State Cab. Nat. Hist., 

 1865, p. 20, pi. (2), figs. 13, 14; doc. ed., 1867; 20th Rep., 1868, p. 324, pi. 11 (2), 

 figs. 13, 14; rev. ed., 1870, p. 366, pi. 11, figs. 13, 14. Miller, Jour. Cincin- 

 nati Soc. Nat. Hist., 4, 1881, p. 174. Chamberlin, Geol. Wisconsin, 1, 1883, 

 p. 191. Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, 

 p. 62, pi. 14, figs. 6-10. 



Crotalocrinus americanus Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, 

 pt. 1, 1900, p. 143, pi. 14, fig. 1. Grabau and Shimer, N. A. Index Fossils, 2, 

 1910, p. 561. 



Crotalocrinus cora Weller, Jour. Geol., 10, 1902, pp. 532, 534, pi. 3, figs. 1-5. 

 Slocom, Field Columbian Mus., 2, Geol. Ser., No. 10, 1908, p. 292, pi. 86, 

 figs. 3, 4. 



Niagaran (Racine): Racine, Wisconsin; Chicago, etc., Illinois. 



Crotalocrinus? yanhornei (Miller). 



Cyathocrinus vanhornei Miller, Jour Cincinnati Soc. Nat. Hist., 4, 1881, p. 261, 



pi. 6, fig. 3. Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, 



p. 64, pi. 14, fig. 5. 



Crotalocrinus? vanhornei Weller, Jour. Geology, 10, 1902, p. 533 (gen. ref.). 

 Niagaran (Racine) : Bridgeport, Illinois. 



CRUMESLECRINITES Troost. See Periechocrimis Austin. 

 CRUMEN^CRINITES OVALIS Troost. See Periechocrinus tennesseensis. 



CRUZIANA D'Orbigny. Genotype: C. rugosa D'Orbigny. 



Cruziana D'Orbigny, Voyage PAmerique Merid., 3, pt. 4, 1842, p. 30. Pictet, 

 Traite" de Pal., 2d ed., 2, 1854, p. 559. Salter, Proc. Geol. Soc. London, 1860, 

 p. 70; Mem. Geol. Surv. Great Britain, 3, 1866, p. 291; 2d ed., 1881, p. 482. 

 Nathorst, Kongl. Sven. Vet.-Akad. Handl., 18, No. 7, 1881, pp. 33, 87. James, 

 Jour. Cincinnati Soc. Nat. Hist., 7, 1885, pp. 153-157. Lebesconte, Bull. 

 Soc. Geol. France, 3d ser., 14, 1886, p. 810. Bornemann, Nova Acta K. Leop. 

 Carol. Deutsch. Akad. der Natur., 51, No. 1, 1886, p. 11. Nathorst, Kongl. 

 Sven. Vet.-Akad. Handl., 21, No..l4, 1886, p. 16. Walcott, Proc. U. S. Nat. 

 Mus., 12, 1890, p. 35. Miller, N. A. Geol. Pal., 1889, p. 115. 

 Observation. Possibly the same as Rusophycus. 



