TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 607 



12385. Sphaeriola ? endotrachys Meek. Holotype. 



Fox Hills (Cret.). Ninety miles below Fort Benton, 

 Montana. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 139, pi. 29, 

 fig. 2. 



7835. Sphaeriola obliqua Meek. Holotype. 



Fox Hills (Cret.). Fefthand Creek, between L,ong Moun- 

 tain and Boulder City, Colorado. 

 Meek, Bull. U. S. Geol. and Geogr. Surv. Terr. (2), I, 1875, p. 46. 



12316. Sphaeriola transversa Whitfield. Cotypes. 



Fox Hills (Cret.). Cheyenne River, near Old Woman 

 Fork, Black Hills, Wyoming. 



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

 p. 415, pi. 10, figs. 14-16. 



458. Sphaeriola ? warrenana Meek. Holotype. 



Fox Hills (Cret.). Near eastern base of Black Hills. 

 South Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1S76, p. 138. 



2125. Sphaerium formosum (Meek and Hayden). Paratypes. 



Faramie (Cret.). Ten miles below Fort Union, North 

 Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 526. 



See Cyclas formosa and C. fragilis. 



20063. Sphaerium formosum (Meek and Hayden). Plesiotype. 



Eocene. Wales, Utah. 



White, Bull. No. 34, U. S. Geol. Surv., 1886, p. 21, pi". 4, figs. 5, 6. 



12520. Sphaerium ? idahoense Meek. Cotypes. 



Miocene. Fossil Hill, Kawsoh Mountains, Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 183, 

 pi. 16, figs. 1, a. 



2130. Sphaerium planum Meek and Hayden. Holotype. 



Laramie (Cret.). Near Grand Island, Upper Missouri 

 River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., i860, p. 175.— 

 Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 526, pi. 43, 

 figs. 6a, 6b.— White, Third Ann. Rept. U. S. Geol. Surv., 

 1883, p. 439, pi. 17, fig. S. 



2129. Sphaerium recticardinale Meek and Hayden. Holotype and 



paratypes. 

 Faramie (Cret.). Near Grand Island, Missouri River, 

 Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., i860, p. 176. — 

 Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 527, pi. 43, 

 figs. 3a, 3b.— White, Third Ann. Rept. U. S. Geol. Surv., 

 1883, p. 439, pi. 27, fig. 9. 



