TYPE SPECIMENS OF INVERTEBRATE FOSSILS. (i07 



12385. Sphaeriola ? endotrachys Meek. Holoty])e. 



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

 Montana. 



Meek, Rept. U. S. Gcnl. vSurv. Terr., IX, 1876, p. 139, pi. 29, 

 fig. 2. 



7835. Sphaeriola obliqua Meek. Holotype. 



Fox Hills (Cret.). Lefthand Creek, between Long Moun- 

 tain and Boulder City, Colorado. 

 Meek, Bull. U. S. Geol. and (xeogr. vSurv. Terr. (2), I, 1S75, p. 46. 



12316. Sphaeriola transversa Whitfield. Cot\pes. 



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

 Fork, Black Hills, Wyoming. 



Whitfield, Rept. Geol. and Resources Black Hills Dakota, 18S0. 

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



458. Sphaeriola ? warrenana Meek. Holotype. 



Fox Hills (Cret.). Near ea.stern base of Black Hills, 

 South Dakota. 

 Meek, Rept. U. S. Geol. Surv. Terr.. IX. 1876, p. 13S. 



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



Laramie (Cret.). Ten miles l)elow Fort XTnion, North 

 Dakota. 



Mee.k, Rept. U. S. Geol. Surv. Terr.. IX, 1.S76, ]). 526. 



vSee Cyclas formosa and C. fragilis. 



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



Eocene. \\'ales. Utah. 



White. I5ull. No. 34, V. S. Geol. vSurv., i,S86, ]>. 21, pi. 4, figs. 5, 6. 



12520. Sphaerium ? idahoense Meek. Cotypes. 



Miocene. Fo.s.sil Hill, Kawsoh Mountains. Xexada. 



Meek, Rept. U. vS. Geol. Expl. 40th Par., 1\\ I't. I, 1877, p. 183, 

 pi. 16, figs. I, a. 



2130. Sphaerium planum Meek and Hayden. Holotype. 



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

 River, Montana. 



Meek and Hayden, Proc. Acad. Nat. vSci. Phila., 1S60, p. 175.— 

 Meek, Rept. U. vS. (tCoI. vSurv. Terr., IX, 1876, p. 526, pi. 43. 

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

 1883, p. 439, pi. 17, fig. 8. 



2129. Sphaerium recticardinale Meek and Hayden. Holot3'pe and 



paratypes. 

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

 Montana. 



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

 Meek, Rept. V. S. Geol. Surv. Terr., IX, 1876, p. 527, pi. 4.>, 

 figs. 3a, 3b.— White, Third Ann. Rept. U. 8. Geol. Surv.. 

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



