BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 493 



Eotomaria laphami Continued. 



Eotomaria laphami Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, 



p. 70 (gen. ref.). 

 Niagaran: Ashford, Wisconsin (Racine); Delphi, Indiana. 



Eotomaria obsoleta Raymond. 



Eotomaria obsoletum Raymond, Amer. Jour. Sci., 4th ser., 20, 1905, p. 376; Ann. 



Carnegie Mus., 4, 1908, p. 192, pi. 49, figs. 12-14. 

 Chazyan (Day Point, Crown Point) : Crown Point and Valcour Island, New York. 



Eotomaria supracingulata (Billings). 



Pleurotomaria supracingulata Billings, Rep. Progr., Geol. Surv. Canada, 1857, p. 



302; Geol. Canada, Geol. Surv. Canada, 1863, p. 181, fig. 175. Lesley, Geol. 



Surv. Pennsylvania, Rep. P 4, 1889, p. 717, fig. 

 Eotomaria supracingulata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1894, p. 



1004, pi. 69, figs. 26-29. Grabau and Shimer, N. A. Index Fossils, 1, 1909, 



p. 643, fig. 876. 

 Raphistoma (Pleurotomaria) nasoni Hall, Rep. Geol. Surv. Wisconsin, 1862, p. 



39, fig. 2. 

 Raphistoma Nasoni Whitfield, Geol. Wisconsin, 4, 1882, p. 215, pi. 6, figs. 2, 3. 



Chamberlin, Geol. Wisconsin, 1, 1883, p. 157, fig. Walcott, Mon. U. S. 



Geol. Surv., 8, 1884, p. 78, pi. 11, figs. 21, 21a. 

 Pleurotomaria nasoni Hall, Rep. Supt. Geol. Surv. Wisconsin, 1861, p. 34. 



Whitfield, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 61, pi. 8, figs. 4-7. 

 Black River: St. Joseph's Island, Lake Huron; Dixon, etc., Illinois; Minneapolis, 



etc., Minnesota; Janesville and Beloit, Wisconsin; Eureka District, Nevada 



(Pogonip). 

 Pksiotypes.V&t. Nos. 45807, 45808, U.S.N.M. 



Eotomaria vicina Ulrich and Scofield. 



Eotomaria vicina Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1003, pi. 



69, figs. 18-20. Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 643, 



fig. 875f. 



Black River (Platteville) : Minneapolis, Minnesota; Mineral Point, Wisconsin. 

 Cotype. Cat. No. 45809, U.S.N.M. 



EOTROPHONIA Ulrich. Genotype: E. setigera Ulrich. 



Eotrophonia Ulrich, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 91. 



Eotrophonia setigera Ulrich. 



Eotrophonia setigera Ulrich, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 91, pi. 4, 



fig. 5. 



Eden (Economy): Covington, Kentucky. 

 Cotypes.G&t. No. 46535, U.S.N.M. 



EREMOCERAS Hyatt. Genotype: Cyrtoceras syphax Billings. 



Eremoceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 282; Zittel-Eastman 

 Textb. Pal., 1900, p. 530; ibid., 2d ed., 1913, p. 611. 



Eremoceras syphax (Billings). 



Cyrtoceras Syphax Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 194, text 



fig. 178. 

 Eremoceras syphax Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 282 (gen. 



ref.). 

 Canadian (Levis-limestone) : Point Levis, Quebec. 



ERIDONTCHIA Ulrich. Genotype: E. apicaUs Ulrich. 



Eridonychia Ulrich, Geol. Surv. Ohio, 7, 1893, p. 639. Cumings, 32d Ann. Rep. 

 Dep. Geol. Nat. Res. Indiana, 1908, p. 980. 



