BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 59 



Arabellites similis Hinde. 



Arabellites similis Hinde, Quart. Jour. Geol. Soc. London, 35, 1879, p. 382, pi. 

 20, fig. 8. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 241, fig. 

 1529d. 

 Upper Medinan (Cataract): Toronto, Ontario. 



ARACHNOCRINUS PISIFORMIS Meek and Worthen. See Lecanocrinus pisiformis. 

 ARACHNOPHYLLUM Dana. See Strombodes Schweigger. 

 ARCA Linnaeus. Not a Paleozoic genus. 



Area?? browni Salter. 



Area? Brownii Salter, Quart. Jour. Geol. Soc. London, 17, 1861, p. 69, pi. 4, figs. 



19, 20. 

 Silurian: West slope of Mt. Illampu, Bolivia. 



Area?? gracills Hoek. 



Area gracilis Hoek, Neues Jahrb., Min., Geol., Pal., 34, 1912, pi. 8, fig. 17. 

 Ordovician: Totoropampa, Bolivia. 



ARCA POSTSTRIATA D'Orbigny. See Lyrodesma postetriatum. 



ARCH^EOCRINUS Wachsmuth and Springer. 



Genotype: Glyptocrinus lacunosus Billings. 



Archaeocrinus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, 

 p. 363 (Rev. Pal., pt. 2, p. 189); ibid., 1885, p. 318; ibid., 1890, p. 366 Miller, 

 Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 217 Carpenter, Phil. Trans. 

 Hoy. Soc. London, 174, 1884, pp. 929, 930. Miller, N. A. Geol. Pal., 1889, 

 p. 225. Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, 

 p. 253. Bather, Treatise on Zool. (Lankester), pt. 3, 1900, p. 200, fig. 125 

 Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 145. Weller, Bull. 

 Chicago Acad. Nat. Hist. Surv., 4, pt. 1, 1900, p. 88, fig. 41. Zittel, Grund- 

 zuge Pal., 1, 1910, p. 161. Grabau and Shimer, N. A. Index Fossils, 2, 1910, 

 p. 550. Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 188. 



ARCELEOCRINUS ASPERATUS Wachsmuth and Springer. See Deocrinus asperatus. 

 ARCH^OCRINUS ASPERATUS Miller and Gurley. See Diabolocrinus asperatus. 



Archaeocrinus? deliculatus Hudson. 



Archaeocrinus ? deliculatus Hudson, Bull. New York State Mus., 107, 1907, p, 129, 



fig. 8. 

 Chazyan (Valcour): Valcour Island, Lake Champlain, New York. 



Archseocrinus depressus Weller. 



Archaeocrinus depressus Weller, Bull. Chicago Acad. Sci. Nat. Hist. Surv., 4, pt. 1, 



1900, p. 89, pi. 3, figs. 9-10. 

 Niagaran (Racine): Bridgeport, Cicero, and Hawthorne, Illinois. 



Arehseocrinus desideratus W. R. Billings. 



Archseocrinus desideratus W. R. Billings, Trans. Ottawa Field Nat. Club, 2, 1885, 

 p. 249, pi. fig. Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 

 20, 1897, p. 257, pi. 10, figs. 4a, b Bather, Treatise on Zool., pt. 3, Echino- 

 derma, London, 1900, p. 200, fig. 125. 

 Trenton (Curdsville) : Ottawa, Ontario. 



Archaeocrinus knoxensis Miller and Gurley. 



Archaeocrinus knoxensis Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 6, 



1895, p. 34, pi. 3, fig. 12-15. 

 Chazyan (Ottosee) : Knox County, Tennessee. 



