BIBLIOGRAPHIC LIST OF GENEKA AND SPECIES. 365 



Cyrtodonta subaiigulata Continued. 



Cyrtodonta subangulata Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, 



p. 185; Canadian Nat. Geol., 3, 1858, p. 437. 



Cypricardites suhaiigulatus Miller, N. A. Geol. Pal., 1889, p. 477 (gen. ref.). 

 Trenton: \Vatertown, New York. 



Cyrtodonta subcarlnata Billings. 



Cyrtodonta suhcarinata Billings, Canadian Nat. Geol., 3, 1858, p. 433, figs. 5-7; 



Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 181, fig. 5-7; Geol. Canada, 



Geol. Surv. Canada, 1863, p. 148, fig. 105. 



Cypricardites subcarinata Miller, N. A. Geol. Pal., 1889, p. 477 (gen. ref.). 

 Cyrtodonta Huronensis var. eubcarinata Chapman, Canadian Jour., n. s., 7, 1862, 



p. 117, fig. 112; Expos. Min. Geol. Canada, 1864, p. 120, fig. 112. 

 Black River: Pointe Claire and Valley of the Ottawa, Canada. 



CYRTODONTA SUBOVATA Ulrich. See Cyrtodonta huronensis. 

 CYRTODONTA SUBTRUNCATA Billings. See Whitella subtruncata. 



Cyrtodonta tenella (Ulrich). 



Cypricardites tenellus Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minn., 1892, 



p. 237, fig. 23. 



Cyrtodonta tenella Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 546, pi. 40, fig. 15-19. 

 Black River (Decorah): Six miles south of Cannon Falls, Minnesota. 

 Cotype8.C-&t. No. 46193, U.S.N.M. 



CYRTODONTA TRANCEPS Raymond. See Endodesma tranceps. 



CYRTODONTA UNDULOSTRIATA Grabau and Shinier. See Cypricardinia undulostriata. 



CYRTODONTA? UNGULATA Billings. See Vanuxemia ungulata. 



CYRTODONTA WINCHELLI Safford. See Modiolodon winchelli. 



CYRTOGRAPTUS Carruthers. Genotype: C. murchisoni Carruthers. 



Cyrtograpsus Carruthers, Rep. 37th meeting British Assoc. Adv. Sci., Notes and 

 Abstracts, 1868, p. 57; Geol. Mag., 5, 1868, pp. 73, 127. 



Cyrtograptus Lapworth, Geol. Mag., dec. 2, 3, 1876, p. 544. Zittel, Handb. Pal., 

 1, 1879, p. 297. Wiman, Bull. Geol. Inst. Univ. Upsala, 2, pt. 2, No. 4, 1896, 

 p. 267. Roemer and Freeh, Leth. geog., 1 Theil, Leth. Pal., 1, 3 Lief, 1897, 

 p. 650. Koken, Die Leitfossilien, Leipzig, 1896, p. 328. Ruedemann, 

 Mem. New York State Mus., 11, pt. 2, 1908, p. 459. 



Cyrtograptus ulrichi Ruedemann. 



Cyrtograptus ulrichi Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, 



p. 459, pi. 29, fig. 4, figs. 442, 443. 



Niagaran (Bainbridge): Bainbridge, Cape Girardeau County, Missouri. 

 Cotypes.Csit. No. 54273, U.S.N.M. 



CYRTOLITES (part) of authors. See Oxydiscus Koken, Phragmolites Conrad and 

 Cyrtolitina Ulrich. 



CYRTOLITES Conrad. Genotype: C. ornatus Conrad. 



Cyrtolites Conrad, Ann. Rep. Nat. Hist. Surv. New York, 1838, p. 118. Hall 

 (part), Pal. New York, 1, 1847, p. 189 footnote. D' Orb igny, Prodr. de Pal., 

 1, 1849, p. 9. Woodward, Man. Mollusca, pt. 2, 1854, p. 201. Emmons, 

 Amer. Geology, 1, pt. 2, 1855, p. 166. Hall, loth Rep. New York State Cab. 

 Nat. Hist., 1862, pi. 11, fig. 19. Miller, Cincinnati Quart. Jour. Sci., 1, 

 1874, p. 308. Waagen (part), Pal. Indica (13), pt. 1, 1880, p. 132. Lind- 



