BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 190 



Ceratopsis chambers! (Miller). 



Beyrichia chambersi ]\Iiller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 234, fig. 27; 



N. A. Geol. Pal., 1S89, p. 534, fig. 975. 

 Tetradella chambersi Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1890, p. 112. 

 Ceratopsis chambersi Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 676, ])1. 46, figs. 



19-22.— Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, pi. 39, figs. 



13-16.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 



1042, pi. 53, figs. 1, la.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 



352, fig. 1660a-c.— Ruedemann (var.), Bull. New York State Mus., 162, 1912, 



p. 121, pi. 9, fig. 15.— Bassler, Zittel-Eastman Textb. Pal., 1913, p. 738, fig. 



1425k. 

 Black River and Trenton: Minneapolis, etc., Minnesota. 

 Eden: Cincinnati, Ohio, and vicinity; Albany County, New York (Indian 



Ladder). 

 Plesiotypes.—Csit. No. 41506, U.S.N.M. 



Ceratopsis chambersi robusta Cumings. See Ceratopsis robusta. 



Ceratopsis intermedia Ulrich. 



Ceratopsis intermedia Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 676. 

 Trenton: Covington, etc., Kentucky. 

 Cot>/pes.—CvA.. No. 41500, U.S.N.M. 



Ceratopsis oculifera (Hall). 



Beyrichia oculifera Hall, 24th Rep. New York State Mus. Nat. Hist., 1872, p. 

 232, pi. 8, figs. 9, 10 (extract, 1871, p. 8, pi. 4, fig. 10).— Miller, Cincinnati 

 Quart. Jour. Sci., 1, 1874, p. 118.— Hall and Whitfield, Geol. Surv. Ohio, 

 Pal., 2, 1875, p. 103, pi. 4, figs. 9, 10.— Jones, Quart. Jour. Geol. Soc. London, 

 46, 1890, p. 21, pi. 4, figs. 19a, b, 20. 



Tetradella oculifera Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1890, p. 113, 

 fig. 1. 



Ceratopsis oculifera Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 676. — Ulrich and 

 Bassler, Proc. U. S. Nat. Mus., 35, 1908, pi. 39, figs. 19, 20.— Cumings, 32d 

 Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1044, pi. 53, figs. 3, 3a. — 

 Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 352, fig. 1662. 



Maysville (Corryville) : Cincinnati, Ohio, and vicinity. 



Ceratopsis? quadrifida (Jones). 



Beyrichia quadrifida Jones, Geol. Surv. Canada, Cont. Micro-Pal., pt. 3, 1891, 



p. 66, pi. 11, figs. 9a, b. 

 Ceratopsis? quadrifida Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 308, 



pi. 39, figs. 21, 22. 

 Trenton: Lorette Falls, Quebec. 



Ceratopsis robusta (Ulrich). 



Beyrichia cham])ersi Hall and Whitfield, Geol. Surv. Ohio, Pal., 2, 1875, p. 104, 



pi. 4, figs. 11, 12. 

 Beyrichia chambersi var. robusta LTlrich, Geol. Minnesota, 3, pt. 2, 1894, p. 677, 



fig. 50. 

 Ceratopsis chambersi var. robusta Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. 



Indiana, 1908, p. 1043, pi. 53, figs. 2, 2a. 

 Ceratopsis njbufita Ulrich and Ba.'tsler, Proc. I^ S. Nat. Mus., 35, 1908, p. 308, i)l. 



39, figs. 17, 18. 

 Richmond: Waynesville, etc., Ohio; Richmond and Versailles, Indiana: near 



Spring Valley, Minnesota. 

 Holotype.—C&t. No. 41335, U.S.N.M. 



