BIBLIOGKAPHIC LIST OF GENEHA AJSD' SPECIES. 327 



Tycloceras teretlforme (Hall). 



Orthoceras teretiforme Hall, Pal. New York, 1, 1847, p. 198, pi. 42, figs. 8a, b. — 



Emmons, Amer. Geology, 1, pt. 2, 1855, p. 149. 

 Orthoceras (Cycloceras) teretiforme Clarke and Ruedemann, Bull. New York State 



Mus., 65, 1903, p. 642 (gen. ref.). 

 Trenton: Watertown, New York. 



Cycloc'celia Foerste. See Plectorthis, subgenuH Encuclodema Foerste. 



CYCLOCONCHA Miller. Genotype: C. mediocardinalis Miller. 



Anodontopsis (part) Meek (not McCoy), Amer. Jour. Sci. Arts, 3d ser., 2, 1871, 



p. 297; Pal. Ohio, 1, 1873, p. 140. 

 Cycloconcha Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 231. — Ulrich, Geol. 

 Sur\'. Ohio, 7, 1893, p. 686.— Zittel, Handb. Pal., 2, 1881, p. 103.— Miller, 

 N. A. Geol. Pal., 1889, p. 474. 

 Orthodontiscus Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 140. — Cumiugs, 32d Ann. 

 Rep. Dep. Geol. Nat. Res., Indiana, 1908, p. 983. 

 Observation. — See Ulrich (1893) for a discussion of the name Orthodontiscus. 



Cycloconcha mediocardinalis Miller. 



Cycloconcha mediocardinalis Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 231, 



figs. 21, 22; N. A. Geol. Pal., 1889, p. 474, fig. 809.— Ulrich, Geol. Surv. Ohio, 



7, 1893, p. 686, pi. 48, fig. 12; pi. 51, figs. 14-21. 

 Eden (Southgate) : Cincinnati, Ohio, and vicinity. 

 Plesiotype. —CsLi. No. 46161, U.S.N.M. 



Cycloconcha mllleri (Meek). 



Anodontopsis? MilleriMeek, Amer. Jour. Sci., 3d ser., 2, 1871, p. 297; Geol. Surv. 



Ohio, Pal., 1, 1873, p. 140, pi. 12, figs, la-d.— iVUller, Cincinnati Quart. Jour. 



Sci., 1, 1874, p. 227; N. A. Geol. Pal., 1889, p. 462, fig. 775. 

 Cycloconcha milleii Ulrich, Geol. Surv. Ohio, 7, 1893, p. 686 (gen. ref.). 

 Orthodontiscus milleri Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 



1908, p. 1015, pi. 47, figs. 8, 8c. 

 Richmond (Vv'aynesville) : Versailles, Indiana. 

 Colypes and plesioty pes. —C&t. Nos. 26409, 46162, U.S.N.M. 



Cycloconcha oblonga Foerste. 



Cvcloconcha oblonga Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 137, 



pi. 1, fig. 6. 

 Trenton (Upper): Near Rogers Gap, Kentucky. 



Cycloconcha ovata Ulrich. 



Cycloconcha ovata Ulrich, Geol. Surv. Ohio, 7, 1893, p. 687, pi. 48, figs. 13-15. 

 Eden (Southgate): Cincinnati, Ohio, and Aacinity. 

 C'otypes. —C&t. No. 46163, U.S.N.M. 



CYCLOCRINITES Eichwald. Genotype: C. spaskii Eichwald. 



Cyclocrinites Eichwald, Schicht. Esthland, 1840, p. 192.— Edwards and Haime, 

 Mon. Polyp. Foss. Terr. Pal. (Arch, du Mua. d'Hist. Nat., 5), 1851, pp. 177, 

 468.— Eichwald, Leth. Ross. Pal. Russie, 1, 1860, p. 637.— Milne-Edwards, 

 Hist. Nat. d. Corall., 3, 1860, p. 452.— Niles, Proc. Boston Soc. Nat. Hist., 10, 

 18'J5, p. 19. 



<lyclocraius Kayser, Zeits. d. d. geol. Gesell., 27, 1875, p. 780.— Nicholson and 

 Etheridge, Mon. Sil. Foss. Girvan Dist., 1878, pp. 15, 16.— Roemer, Leth. 

 geog., 1 Theil, Leth. Pal., Erste Lief, 1880, p. 292.— Zittel, Handb. Pal., 1, 

 1880, p. 728.— Rauff, Zeits. d. d. gool. Gesell., 40, 1888, p. 609.— Roemer, 



