484 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Endoceras rapax Billings. 



Orthoceras rapax Billings, Canadian Nat. Geol., 5, 1860, p. 176. 

 Endoceras rapax Miller, N. A. Geol. Tal., 1889, p. 437 (gen. ref.). 

 Black River: Kingston, Ontario. 



Endoceras rottermundl (Barrande). 



Orthoceraa (Endoceras) rottemmndi Barrande, Syat. Sil. du Boh erne, 2d ser., 



1866, pi. 220. 

 Endoceras rottermundi Barrande, Syst. Sil. du Centre Boheme, 2, pt. 3, 1874, 



p. 749, pi. 220, figs. 9-11. Foord, Cat. FOBS. Cepli. British Mus., 1, 1888, 



p. 151. 

 Black River: Island in Lake Huron (?Thessalon Island). 



ENDOCERAS (NARTHECOCERAS) SIMPSONI Whiteaves. See Narthecoceras simpsoni. 



Endoceras subannulatum (Whitfield). 



Endoceraa (Cameroceras) subannulatum Whitfield, Ann. Rep. for 1879, Wisconsin, 



Geol. Surv., 1880, p. 56; Geol. Wisconsin, 4, 1882, p. 230, pi. 7, figs. 15, 16. 

 Endoceras subannulatum Chamberlin, Geol. Wisconsin, 1, 1883, p. 159, fig. 



Whiteaves, Trans. Royal Soc. Canada, 9, sec. 4, 1892, p. 78, pi. 5, figs. 2, 2a; 



Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 202. 

 Black River: Beloit, Wisconsin; Valley of Red River, western shore of Lake 



Winnipeg, East Selkirk, etc., Canada. 



Endoceras subcentrale Hall. 



Endoceras subcentrale Hall, Pal. New York, 1, 1847, p. 59, pi. 17, fig. 4. Emmons, 



Amer. Geology, 1, pt. 2, 1855, p. 152. James, J. F., Jour. Cincinnati Soc. Nat. 



Hist., 8, 1886, p. 244. 

 Black River (Watertown): W T atertown, New York. 



Endoceras vauuxemi (Conrad). 



Diploceras Vanuxemi Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1848, p. 267, 



pi. 16, fig. 2. 



Endoceras vanuxemi Miller, N. A. Geol. Pal., 1899, p. 437 (gen. ref.). 

 Trenton: Trenton Falls, New York. 



Observation. Clarke (Geol. Minnesota, 3, 1897) says Diploceras is unques- 

 tionably a Cameroceras and the type D. vanuxemi probably the same as 

 Endoceras proteifonne. 



Endoceras virgatum (Hall). 



Colpoceras virgatum Hall, 3d Rep. New York State Cab. Nat. Hist., rev. ed., 1850, 



p. 182, pi. 5, fig. 2 (doc. ed., p. 174). 



Endoceraa virgatum Hall, Pal. New York, 5, pt. 2, 1879, p. 220 (gen. ref.). 

 Black River: Lewis County, New York. 



ENDODESMA Ulrich. Genotype: E. cuneatum Ulrich. 



Endodesma Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 525. Grabau and Shimer, 

 N. A. Index Fossils, 1, 1909, p. 527. 



Endodesma compressum Ulrich. 



Endodesma compressum Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 529, pi. 36, 



figs. 35, 37. 



Trenton (Prosser): Near Wykoff, Minnesota. 

 Holotype.Czt. No. 46194, U.S.N.M. 



