368 BULLETIN 92^ UNITED STATES NATIONAL MUSEUM. 



CyrtoUtes sinuatus Hall and ^Vhitfield. 



Cyitolites sinuatus Hall and Wliitfield, U. S. Geol. Expl. 40th Pari., 4, 1877, p. 



237, pi. 1, figs. 23, 24.— Weller, Geol. Hui-v. New Jersey, Pal., 3, 1903, p. 127, 



pi. 4, fig. 9. 

 Ordovician : WTiite Pine DiKtrict, Kevada ( Upper Pogonip) ; Columbia, New Jersey 



(Beekmantown). 

 Holotype.— Cat. No. 173G3, U.S.N.M. 



CyrtoUtes sinuosiis Ilall. 



Cyrtolites sinuosus Hall, 28th Rep. New York State Mus. Nat. Hist., doc. ed., 

 1877, pi. 30, figs. ]f)-18; mus. ed., 1879, p. 178, pi. 30, figs. 16-18; 11th Ann. 

 Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 321, pi. 31, figs. 16-18. 

 Niagaran (Waldron): Waldron, Indiana. 



Cyrtolites subacutus Miller. See Oxydiscus subacutus. 



Cyrtolites subcarinatus Emmons. See Carinaropsis carinata. 



Cyrtolites subcompressus Meek. See Microceras inornatum. 



Cyrtolites subplanus Ulrich. 



Cyrtolites subplanus Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 846, pi. 62, figs. 



40-44. 

 Trenton (Catheys): Nashville, Tennessee. 

 Cotypcs— Cat. No. 45792, U.S.N.M. 



Cyrtolites Trentonensis Conrad. See Eccyliomphalus trentonensis. 



Cyrtolites youngi Foerste. 



Cyrtolites Youngi Foerste, Proc. Boston Soc. Nat. Hist., 24, 1889, p. 289, pi. 6, 



fig. 7; Geol. Surv. Ohio, Pal., 8, 1893, p. 549, pi. 31, figs. 7, 7a. 

 Upper Medinan (Brassfield): Hanover, Indiana. 



CTRTOLITINA Uhich. Genotype: Cyrtolites lamellifer Lindstrom. 



Cyrtolites Uhich (part). Jour. Cin. Soc. Nat. Hist., 2, 1879, p. 12. — Lindstrom, 



Silurian Gastropoda of Gotland, 1884, pp. 82-84. 

 Cyrtolitina Uhich, Geol. Minnesota, 3, pt. 2, 1897, pp. 847-866.— Dall, Zittel- 

 Eastman Textb. Pal., 2d ed., 1913, p. 521. 



Cyrtolitina nitidula (Uhich). 



Cyrtplites nitidulus Ulrich, Jour. Cin. Soc. Nat. Hist., 2, 1879, p. 12, pi. 7, figs. 



7, 7a. 

 Cyrtolitina nitidula Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 866, pi. 62, figs. 53-55. 

 Trenton (Upper): River quarries, Covington, Kentucky. 

 floZoiJ/pe.— Cat. No. 45793, U.S.N.M. 



Cyrtometopus scofieliji Clarke. See Cerauriuus scofieldi. 



CTRTORIZOCERAS Hyatt. Genotype: CjTtocc-ras minncapolis Clarke. 



Cyrtorizoceras Hyatt, Zittel-Eastman Textb. Pal., 1900, p. 529; ibid, 2d ed., 

 1913, p. 610. 



Cyrtorizoceras curvicaiueratum Clarke and Ruedemann. 



Cyrtorhizoceras curvicameratum Clarke and Ruedemann, Mem. New York 



State Mus., 5, 1903, p. 90, pi. 17, figs. 1-10. 

 Niagaran (Lockport-Guelph): Shelby, New York. 



