304 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Ctenodonta equllatera Continued. 



Tellinomya (Ctenodonta) equilatera Clarke and Ruedemann, Bull. New York 



State Mus., 65, 1903, p. 520 (gen. ref.). 



Ctenodonta equilatera Grabau and Sliiraer, N. A. Index Fossils, 1, 1909, p. 395. 

 Cayugan (Cobleskill): Schoharie, New York. 



Ctenodonta fecunda (Hall). 



Nucula (Tellinomya) fecunda Hall, Geol. Surv. Wisconsin, 1, 1862, p. 55, fig. 1. 

 Ctenodonta fecunda Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 595, pi. 42, figs. 



67-73. Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 394, fig. 502g-h. 

 Richmond (Maquoketa): Dubuque, Iowa; Scales Mound, Illinois; Wisconsin; 



Minnesota. 

 Flesiotypes.Csit. No. 46130, U.S.N.M. 



Ctenodonta filistriata Ulrich. 



Tellinomya levata Hall and Whitfield (not Hall, 1847), Pal. Ohio, 2, 1875, p. 82. 

 Ctenodonta filistriata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 599, fig. 44a-e. 

 Eden: Covington, Kentucky, and vicinity. 

 Cotypes.G&t. No. 46131, U.S.N.M. 



Ctenodonta frobisherensis Schuchert. 



Ctenodonta frobisherensis Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 161, pi. 



13, figs. 11-14. 



Mohawkian: Head of Frobisher Bay, Baffin Land. 

 Cotypes.C&t. No. 28165, U.S.N.M. 



Ctenodonta gibberula Salter. 



Ctenodonta gibberula Salter, Canadian Org. Hem., dec. 1, 1857, p. 38, pi. 8, fig. 

 6. Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 587, pi. 42, fig. 37; fig. 44f-g, p. 

 599. Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 393, fig. 502c-d. 



Tellinomya ventricosa Hall i Rep. Sup. Geol. Surv. Wisconsin, 1861, p. 27; Rep. 

 Geol. Surv. Wisconsin, 1862, p. 38, fig. 4. Meek and Worthen, Geol. Surv. 

 Illinois, 3, 1868, p. 307, pi. 2, figs. 7a-c. Chamberlin, Geol. Wisconsin, 1, 

 1883, p. 156. Whitfield, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 51, 

 pi. 6, figs. 1-4. 



Black River: Pauquette Rapids, etc., Canada (Leray), Beloit, Wisconsin; Minne- 

 sota; Illinois; Iowa; etc. 



Stones River (Murfreesboro) : Murfreesboro, Tennessee. 



PZmofypg. Cat. No. 46132, U.S.N.M. 



Ctenodonta glbbosa (Hall). 



Tellinomya gibbosa Hall, Pal. New York, 1, 1847, p. 153, pi. 34, figs. 5a,b. Les- 

 ley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1168, figs. 



Tellinomya (Ctenodonta) gibbosa Clarke and Ruedemann, Bull. New York State 

 Mus., 65, 1903, p. 520 (gen. ref.). 



Lyonsia gibbosa Emmons, Amer. Geology, 1, pt. 2, 1855, p. 170, pi. 14, fig. 3. 



Ctenodonta gibbosa Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 176, 

 fig. 165. 



Trenton: Middleville, New York. 



Ctenodonta hamburgensis (Walcott). 



Tellinomya Hamburgensis Walcott, Mon. U. S. Geol Surv., 8, 1884, p. 76, pi. 11, 



figs. 1, la. 

 Ctenodonta hamburgensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 605, pi. 42, 



figs. 91, 92. 



Upper Pogonip: Eureka District, Nevada. 

 Black River (Decorah): Chatfield, Minnesota. 

 Holotype and plesiotype Cat. Nos. 17286, 46133, U.S.N.M. 



