108 BULLETIN" 53, UNITED STATES NATIONAL MUSEUM. 



1 248 1. Bulinus atavus White. Holotype. 



Laramie (Cret. ). Dog Creek, Montana. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., 1S78 (1883), 

 Pt. I, p. 86, pi. 24, figs. 5a-5b; Third Ann. Rept. U. S. Geol. 

 Surv., 18S3, p. 450, pi. 25, figs. 6, 7; Bull. No. 34, U. S. Geol. 

 Surv., 1886, p. 25, pi. 3, figs. 7, 8. 



20070. Bulinus atavus White? Plesiotypes. 



Laramie (Cret.) and Eocene. Wales, Utah. 



White, Bull. No. 34, U. S. Geol. Surv., 1SS6, p. 25, pi. 3, figs. 9, 10. 



12469. Bulinus disjunctus White. Cotypes. 



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



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

 pt. I, p. S6, pi. 24, figs. 6a, 6b; Third Ann. Rept. U. S. Geol. 

 Surv., 1883, p. 451, pi. 25, figs. 4, 5. 



2120., Bulinus longiusculus (Meek and Hayden). Holotype and 

 2 12 1. paratypes. 



Laramie (Cret.). Three miles below Fort Union, North 

 Dakota. 



Meek, Rept. U. S. Geol. Surv. Terrs., IX, 1876, p. 541, pi. 43, 

 figs. 16a, 16b.— White, Third Ann. Rept. U. S. Geol. Surv., 

 1883, p. 451, (pi. 25, fig. 8.) 



See Physa longiuscula. 



19181. Bulinus ? rhomboideus (Meek and Hayden). Holot} T pe. 



Laramie (Cret.). Three miles below Fort Union, North 

 Dakota. 



Meek, Rept. U. S. Geol. Surv. Terrs., IX, 1S76, p. 542, pi. 43, 

 fig. 17; White, Third Ann. Rept. U. S. Geol. Surv., 1883, p. 451, 

 pi. 25, fig. 9. 



See Physa rhomboidea. 



21 iS. Bulinus subelongatus Meek and Hayden. Holotype. 



Laramie (Cret.). Bad Lands of Judith River, Montana. 



Meek, Rept. U. S. Geol. Surv. Terrs., IX, 1876, p. 540, pi. 42, 

 figs. 13a, 13b.— White, Third Ann. Rept. U. S. Geol. Surv., 

 1SS3, p. 450, pi. 25, figs. 10, 11. 



See Physa subelongata. 



280. Bulla minor Meek and Hayden. Holotype. 



Fox Hills (Cret.). Moreau River, South Dakota. 



Meek and Hayden, Proc. Acad. Nat. Sei. Phila., VIII, 1S56, p. 69. 

 = Haminea minor. 



278. Bulla occidentalis Meek and Hayden. Holotype and 



paratypes. 

 Fort Pierre or Fox Hills (Cret.). Yellowstone River, 

 Miles City, Montana. 

 Meek and Hayden, Proc. Acad. Xat. Sci. Phila., VIII, 1S56, p. 69. 

 = Haminea occidentalis. 



