204 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Ceraurus scofieldi Miller. See Ceraurinus Bcolieldi. 



Ceraurus?? solitarius (Billings). 



Cheirurua solitarius Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 206. 

 Canadian (Beekmantown): Near St. Antoine above Quebec, Canada. 



Ceraurus tarquinius Miller. See Cheirurus tarquinius. 



Ceraurus trentonensis Miller. See Pseudospliserexochua trentonensis. 



Ceraurus vigilans Hall. See Encrinurus \T-gilans. 



CERIONITES Meek and Worthen. Genotype: LunuUtes dactyloides Owen. 



Cerionites Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 346.— Miller, N. A. 

 Geol. Pal., 1889, p. 156. 



Cerionites dactyloides (Owen). 



Lunulites? dactiloides Owen, Geol. Rep. Iowa, Wisconsin, Illinois, 1844, p. 69, 



pi. 13, fig. 4. 

 Lunulites dactyloides Kayser, Zeits. d. d. geol. Gesell., 27, 1875, p. 780. 

 Cerionites (Pasceolus) dactylioides Meek and Worthen, Geol. Surv. Illinois, 3, 



1808, p. 346, pi. 5, fig. 2. 

 Cerionites dactyloides Whitfield, Geol. Wisconsin, 4, 1882, p. 267, pi. 13, figs. 1-3. — 



Miller, N. A. Geol. Pal., 1889, p. 156, fig. 97.— Cahin, Proc. Iowa Acad. Sci., 



1, pt. 3, 1893, p. 13; Amer. Geol., 12, 1893, pp. 53-57, fig.— Winchell and 



Schuchert, Geol. Minnesota, 3, pt. 1, 1895 (ext. 1893), p. 67. 

 Pasceolus? dactylioides Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 345, 



pi. 5, figs. 2a-c. 

 Cyclocrinus dactyloides Stolley, Archiv. f. Anthrop. u. Geol. Schles\vig-Holateins, 



1, Heft 2, 1896, p. 215 (gen. ref.). 

 Niagaran: Carroll County, Illinois; Iowa; Wisconsin. 



Ceriopora constellata Van Cleve. See Constellaria constellata. 



Ceromyopsis Meek. Genotype: Cardiomorpha obliquata Meek. 



Ceromyopsis Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 327; Geol. Surv. 

 Ohio, Pal., 1, 1873, p. 146. 



Ceromyopsis obliquata Meek. 



Cardiomorpha?? obliquata Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 327 

 (Ceromyopsis n. gen. suggested); Geol. Surv. Ohio, Pal., 1, 1873, p. 146, pi. 12, 

 figs. 4a, b. — Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 220. 

 Maysville: Cincinnati, Ohio. 



Observation. — No additional specimens of this species have been found. The 

 type is probably a compressed Cimeamya. 



Ch^nodomus Ulrich. See Cymatonota Ulricli. 



CHiETETES Fischer. Genotype: C. radians Fischer. 



Chsetetes Fischer, Oryct. du Gouv. Moscou, 1837, p. 159. — Nicholson, Pal. Tab. 

 Corals, 1879, p. 260.— Rominger, Amer. Geol., 10, 1892, p. 56.— Zittel-East- 

 man Textb. Pal., 1, 1900, p. 102; ibid., 2d ed., 1913, p. 117.' 

 Not Chsetetes of many authors, who liave used the name for bryozoa. 



CttiETETES APPROXiMATUs Nicliolson. See Hallopora dalei. 



Ch.«;tetes (Monotrypella) arbusculus Hall and Simpson. See Monotrypella? 

 arbuscula. 



