108 ELTLLETIN 53, UNITED STATES NATIONAL MUSEUM. 



1 248 1. Bulinus atavus White. Holotype. 



L,aramie (Cret. ). Dog Creek, Montana. 



White, Twelfth Ann. Rept. U. S. Geol. vSurv. Terr., 1S7S (1883), 

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

 vSurv., 1S83, 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? Plesiot^-pe.s. 



L,arainie (Cret. 1 and Kocene. Wale.s, Utah. 



White, Bull. No. 34, V. S. Geol. Surv., 18S6, p. 25, pi. 3, figs. 9, 10. 



12469. Bulinus disjunctus White. Cot^'pes. 



Laraniie (Cret. 1. Crow Creek, Northern Colorado. 



White, Twelfth Ann. Rept. U. vS. Geol. vSurv. Tetrs., 1S78 (1883), 

 pt. I, p. 86, pi. 24, figs. 6a, 6b; Third Ann. Rept. U. vS. Geol. 

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



2120. Bulinus longiusculus (Meek and HaN-den). Holotype and 



2 12 1. paratypcs. 

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



Dakota. 



Meek, Rept. U. S. Geol. Surv. Terrs., IX, 1S76, p. 541, pi. 43, 

 figs. l6a, l6b.— White, Third Ann. Rept. U. S. Geol. Surv., 

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



vSee Phy.sa longiu.scula. 



19181. Bulinus ? rhomboideus (Meek and Hayden). Holotj'pe. 



Uaramie (Cret.). Three mile.s below Fort Union, North 

 Dakota. 



Meek, Rept. U. S. Geol. vSurv. Terrs., IX, 1876, p. 542, pi. 43, 

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

 pi. 25, fig. 9. 



See Phy.sa rhomboidea. 



2 1 18. Bulinus subelongatu«s Meek and Hayden. Holotype. 



Laramie (Cret.j. Bad Lands of Jndith 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. vSurv., 

 1883, p. 450, pi. 25, figs. 10, II. 



See Physa .subelongata. 



280. Bulla minor Meek and Hayden. Holotype. 



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



Meek and Hayden, Proc. Acad. Nat. vSci. Phila., VIII, 1856, p. 69. 

 = Haminca minor. 



278. Bulla occidentalis Meek and Hayden. Holotype and 



paratypes. 

 P'ort Pierre or P'ox Hills (Cret.). Yellowstone River, 

 Miles City, Montana. 

 Meek and Hayden, Proc. Acad. Nat. vSci. Phila., VIII, 1856, p. 69. 

 = Haminea occidentalis. 



