1300 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



TROCHONEMA Continued. 



Eunema Salter, Geol. Surv. Canada, Can. Org. Bern., dec. 1, 1859, pp. 24, 29. 

 Lindstrom, Kongl. Sven. Vet. Akad. Handl., 19, No. 6, 1881, p. 155. Zittel, 

 Handb. Pal., 2, Munich, 1882, p. 189. Koken, Neues Jahrb. Min., Geol., 

 Pal., 1889, p. 424. Miller, N. A. Geol. Pal., 1889, p. 403. Koken, Die 

 Leitfossilien, Leipzig, 1896, p. 118, fig. 98; Neues Jahrb. Min., Geol., Pal., 1, 

 1898, p. 24; Bull. Acad. Imp. Sci. St. Petersburg, 7, 1897, p. 188. Ulrich and 

 Scofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 1046-1052. Pilsbry, Zittel- 

 ^Eastman Textb. Pal., 1, 1900, p. 449. Dall, ibid., 2d ed., 1913, p. 530. 

 (Genotype: E. strigillatum Salter.) 



Trochonema (Eunema) altisulcatum (Hudson). 



Eunema altisulcatum Hudson, Bull. New York State Mus., 80, 1905, p. 291, pi. 5, 



fig. 3. Raymond, Ann. Carnegie Mus., 4, 1908, p. 208. 

 Chazyan (Valcour): Valcour Island, New York. 



Trochonema altuin Ulrich and Scofield. 



Trochonema altum Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1052, 



pi. 77, figs. 39-41. 



Trenton (Prosser): Near Cannon Falls, Minnesota. 

 Holotype.C&t. No. 46021, U.S.N.M. 



Trochonema (Eunema) arctatum Ulrich. 



Trochonema (Eunema) arctatum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1054, 



pi. 76, figs. 9, 10. 



Trenton (Flanagan): Near Burgin, Kentucky. 

 Holotype.Czt. No. 46022, U.S.N.M. 



Trochonema beachi Whitfield. 



Trochonema beacM Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1878, p. 74; 



Geol. Wisconsin, 4, 1882, p. 213, pi. 6, fig. 6. Chamberlin, ibid., 1, 1883, p. 



157. Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1048, pi. 77, 



figs. 9-12. 

 Black River (Platteville) : Beloit and Janesville, Wisconsin; Dixon, Illinois; 



Minneapolis, Minnesota. 

 Plesiotypes.C&t. Nos. 46023-46025, U.S.N.M. 



Trochonema bellulum Ulrich. 



Trochonema bellulum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1050, pi. 77, 



figs. 26-29. 



Stones River (Murfreesboro) : Murfreesboro, Tennessee. 

 Holotype.Czt. No. 46076, U.S.N.M. 



Trochonema beloitense Whitfield. 



Trochonema beloitense Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1878, p. 74; 



Geol. Wisconsin, 4, 1882, p. 212, pi. 6, figs. 7, 8. Ulrich and Scofield, Geol. 



Minnesota, 3, pt. 2, 1897, p. 1048, pi. 78, figs. 1-9. Grabau and Shimer, 



N. A. Index Fossils, 1, 1909, p. 670, fig. 927. 

 Black River (Platteville): Beloit and Mineral Point, Wisconsin; Dixon, Illinois; 



Minneapolis, etc., Minnesota. 

 Plesiotypes.Ca,t. Nos. 48011, 48012, U.S.N.M. 



Trochonema bfangulatum (Hall). 



Pleurotomaria biangulata Hall, Pal. New York, 1, 1847, p. 31, pi. 6, figs. 6a, 6b. 

 Trochonema biangulatum Raymond, Ann. Carnegie Mus., 4, 1908, p. 205, pi. 53, 



figs. 9, 10. 

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



