BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 307 



Ctenodonta medialis Ulrich. 



Ctenodonta medialis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 593, pi. 42, figs. 



50-52. 

 Black River (Decorah): Minneapolis, and near Cannon Falls Minnesota; Lincoln 



County, Missouri. 

 Cotypes. Cat. Nos. 46137, 46138, U.S.N.M. 



Ctenodonta minima (Foerste). 



Nucula minima Foerste, Bull. Sci. Lab. Denison Univ., 1, 1885, p. 93, pi. 14, 



figs. 8a-c. 

 Tellinomya (Nucula?) minima Foerste, Geol. Surv. Ohio, Pal., 7, 1893, p. 563, 



pi. 26, figs. 8a-c; pi. 37, figs. 13a-c. 

 Upper Medinan (Brassfield): Huffman's Quarry, near Dayton, Ohio. 



Ctenodonta nasuta (Hall). 



Tellinomya nasuta Hall, Pal. New York, 1, 1847, p. 152, pi. 34, figs. 3a-c. 

 Pictet, Traite cle Pal., 2d ed., 3, 1855, p. 534, pi. 79, fig. 19. Hall, Canadian 

 Nat. Geol., 1, 1856, p. 392, figs. 1-3; 10th Rep. New York State Cab. Nat. 

 Hist., 1857, p. 183 (ext., p. 143), fig. 2 (part). Hitchcock, Geol. Vermont, 1, 

 1861, p. 296, fig. 204. Whitfield, Geol. Wisconsin, 4, 1882, p. 207, pi. 5, fig. 

 12. Chamberlin, Geol. Wisconsin, 1, 1883, p. 156, fig. Miller, N. A. Geol. 

 Pal., 1889, p. 515, fig. 932. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 

 1890, p. 1169, fig. Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. 

 Res. Indiana, 1904, p. 446, pi. 10, fig. 1. 



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

 Mus., 65, 1903, p. 521 (gen. ref.). 



Lyonsia nasuta Emmons, Amer. Geology, 1, pt. 2, 1855, p. 170, fig. 40. 



Ctenodonta logani Salter, (not Salter, 1859), Rep. Brit. Assoc. Adv. Sci., 1851 

 p. 63. 



Ctenodonta nasuta Salter, Canadian Org. Rem., dec. 1, 1859, p. 35, pi. 8, figs. 1, 

 2. Billings, Canadian Nat. Geol., 4, 1859, p. 446; Geol. Canada, Geol. Surv. 

 Canada, 1863, p. 176, figs. 166a, b. Roemer, Leth. geog., 1, Leth. Pal., Atlas, 

 1876, pi. 4, fig. 15a. <Ehlert, Bull. Soc. Geol. France, 3d ser., 16, 1888, p. 

 663, pi. 16, figs. 3-3b. Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 584, pi. 42, 

 fig. 30. Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 163, pi. 11, fig. 1. 

 Whiteaves, Ottawa Naturalist, 22, 1908, p. 106. Grabau and Shimer, N. A. 

 Index Fossils, 1, 1909, p. 393, fig. 502o. 



Trenton: Trenton Falls, etc., New York. 



Black River: Pauquettes Rapids, Ottawa River, etc., Canada; New Jersey; 

 Indiana; Wisconsin; Missouri; Illinois; Minnesota; etc. 



Pleviotype.Czt. No. 46137, U.S.N.M. 



Ctenodonta nasuta robusta Ulrich. 



Tellinomya nasuta Hall (part), 10th Rep., New York State Cab. Nat. Hist., 1857, 



p. 183, figs. 1, 3. 

 Ctenodonta nasuta var. robusta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 585, pi. 



42, fig. 30. 

 Black River: Beloit, Wisconsin (Platteville); Pauquettes Rapids, Ottawa River, 



Canada (Leray). 

 Holotype.Czt. No. 46140, U.S.N.M. 



Jtenodonta nltida (Ulrich). 



Tellinomya nitida Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 

 1892, p. 215, fig. 1. 



