48 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



244. Anisomyon subovatus (Meek and Hayden). Holotype. 



Montana (Cret. ). Yellowstone River, Montana. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 291, pi. 18, 

 figs. 5d, 6. 



See Helcion subovatus. 



12298. Anisomyon subovatus (Meek and Hayden). Plesiotypes. 

 Fort Pierre (Cret. ). Old Woman Fork of Cheyenne River, 

 Wyoming-. 



Whitfield, Rept. Geol. and Resources Black Hills, Dakota, 1880, 

 p. 434, pi. 12, fig. 19. 



43735. Anisotrypa fistulosa Ulrich. Figured sections of cotype. 



St. Louis (Miss.). Pella, Iowa. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 448, pi. 72, figs. 6b, 6c. 



43413. Anisotrypa solida Ulrich. Cotypes and figured sections. 



43414. Chester (Miss.). Sloans Valley, Kentucky; Chester, 



Illinois. 

 Ulrich, Geol. Surv. 111., VIII, 1890, p. 449, pi. 72, figs. 9~9e. 



4363 1 . Anisotrypa symmetrica Ulrich. Cotypes and figured sections. 

 Chester (Miss.). Sloans Valley, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., VI, 1883, p. 276, pi. 13, 

 fi& s - 5~5 c : Geol. Surv. 111., VIII, 1890, p. 448, pi. 72, fig. 5. 



13574. Anodonta decurtata Conrad. Holotype. 



Colorado (?) Eocene (?). 



Conrad, Am. Journ. Conch., VI, p. 200, pi. 11, fig. S. — White, 

 Third Ann. Rept. U. S. Geol. Surv., 1883, p. 479, pi. 29, figs. 

 27, 2S. 



9028. Anodonta parallela White. Cot3 r pes. 



Laramie (Cret.). Crow Creek,. northern Colorado. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., 1878 (1883), 

 Pt. I. p. 62, pi. 24, fig. 3a; Third Ann. Rept. U. S. Geol. 

 Surv., 1883, p. 429, pi. 19, fig. 5. 



13406. Anodonta propatoris White. Cotypes. 



Laramie (Cret.). Dog and Birch Creeks, Montana. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., 1878 (1883), 

 Pt. I, p. 61, pi. 24 figs. 2a-d; Third Ann. Rept. U. S. Geol. 

 Surv., 1SS3, p. 429, pi. 19, figs. 6-9. 



13917. Anodontopsis amygdalaeformis Walcott. Cotj^pe. 



Middle Devonian. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 180, pi. 15, figs. 



7. 7b. 



26409. Anodontopsis ? milleri Meek. Cotypes. 



Richmond (Ord.). Forty miles west of Cincinnati, Ohio. 



Meek, Am. Journ. Sci., (3) II, 1871, p. 297; Pal. Ohio, I, 1873, 

 p. 140, pi. 12, figs. la, ib, id. 



= Cvcloconcha milleri. 



