BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 857 



NILE US— Continued. 



Die Leitfossilien, Leipzig, 1896, p. 28. — Schmidt, Mem. l'Acad. Imp. Sci. 

 St. Petersburg, 8th aer., 6, 1898, pp. 11, 45.— Beecher, Zittel-Eastman, Textb. 

 Pal., 1, 1900, p. 630.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 

 8, 1901, pp. 26, 61.— Schmidt, Mem. l'Acad. Imp. Sci. St. Petersburg, 8th 

 ear., 14, No. 10, 1904, p. 63.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, 

 p. 299.— Slocom, Field Mus. Nat. Hist., Geol. Serv., 4, No. 3, 1913, p. 52.— 

 Raymond, Trans, and Proc. Roy. Soc. Canada, 5, 3d ser., eec. 4, 1912, p." 116: 

 Zittel-Eastman Textb. Pal., 1913, p. 719. 



Nlleus affiuis Billings. 



Nileus affinis Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 275, fig. 261. — 



Raymond, Trans, and Proc. Roy. Soc. Canada, 3d ser., 5, sec. 4, 1912, p. 120, 



pi. 3, fig. 4. 

 Canadian: Cow Head, Newfoundland (Quebec — P); Isle of Orleans and Point 



Levis, Quebec. 



Nileus luacrops Billings. 



Nileus macrops Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 273, fig. 259. — 



Miller, N. A. Geol. Pal., 1889, p. 557, fig. 1034. 

 Chazyan (Quebec — N): Table Head, Newfoundland. 



Nileus perkinsi Raymond. 



Nileus perkinsi Raymond, Ann. Carnegie Mus., 7, 1910, p. 69, pi. 18, figs. 7-8; 

 7th Rep. Vermont State Geol., 1910, p. 224, pi. 38, figs. 7-8.— Perkins, Rep. 

 Vermont State Geol., 8th ser., 1912, pi. 18, figs. 7, 8. — Raymond, Trans, and 

 Proc. Roy. Soc. Canada, 3d ser., 5, sec. 4, 1912, p. 119, pi. 2, fig. 8; pi. 3, 



fig. 1. 

 Chazyan (Valcour): Isle La Motte, Vermont. 



Nileus scrutator Billings. 



Nileus scrutator Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 274, fig. 260. 

 Chazyan (Quebec — N, P): Table Head and P. Portland Creek, Newfoundland. 



Nileus striatus Whitfield. 



Nileus striatus Whitfield, Bull. Amer. Mus. Nat. Hist., 9, 1897, p. 184, pi. b, figs. 



5, 6.— Seely, Vermont State Geol., Rep. 7, 1910, pi. 55, figs. 5, 6. 

 Canadian (Beekmantown): Fort Cassin, Vermont. 



Nileus vigilans (Meek and Worthen). 



Asaphus (Isotelus) vigilans Meek and Worthen, Proc. Acad. Nat. Sci. Philadel- 

 phia, 1870, p. 53; Geol. Surv. Illinois, 6, 1875, p. 497, pi. 23, fig. 6. 



Illeenus (Nileus) minnesotensis Foerste, 15th Rep. Geol. Nat. Hist. Surv. Minne- 

 sota, 1886, p. 478, fig. 1. 



Nileus vigilans Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 712, figs. 17-19. — 

 Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 173.— Grabau and Shimer, 

 N. A. Index Fossils, 2, 1910, p. 299, fig. 1610c, d.— Finch, Proc. Iowa Acad. 

 Sci., 11, 1904, p. 179, pi. 14.— Slocom, Field Mus. Nat. Hist., Gool. Ser., 4, 

 No. 3, 1913, p. 52, pi. 14, figs. 9-15. 



Richmond (Maquoketa): Carrol and Osage Counties, Illinois; Iowa. 



Black River and Trenton: Minnesota, Baffin Land, etc. 



Plesioty pes. —Cat. No. 41913, U.S.N.M. (Clarke). 



Niobe Maccoyi Freeh. See Dolichometopus maccoyi. 



NIPTERELLA Hinde. Genotype: Calathium? paradoxicum Billings. 



Nipterella Hinde, Quart. Jour. Geol. Soc. London, 45, 1889, p. 144. — Rauff, 

 Palseontograpliica, 40, 1894, p. 241. 



