I 



typp: specimens of invertebkate fossils. l(')V) 



61730. Corbula ( Anisothyris ) ledaeformis Dull. Ilolotx ])e. 



Pliocene. I'ehas, mouth of .\inl)ii;acu River, ]^ra/.il. 



Dall, .\iiur. Jourii. Conch., \'U. 1.S71, ]>. 92, \)\. 16, fij^.s. 14, 15. 



2168. Corbula mactriformis Meek and Ilaxden. Ilolotypeand 



])aratypes. 

 Laramie (Cret.). Fort Clark, North Dakota. 



Meek and Ilavden, Proc. Acad. Nat. .Sci. Phila., VIII, 1856, 

 ]). 1 17. — Meek, Rept. IT. S. Geol. vSurv. Terr., IX, 1876, p. 528, 

 pi. 43, fig.s. 7a. — White, Third .-\nn. Re])t. 1'. S. (leol. vSurv., 

 1883, p. 442, pi. 18, fi^.s. 12-15. 



107813. Corbula t Aloidis ) milium Dall. Ilolotype. 



Eocene. Thomasville, Clarke Count\ , .Mahama. 



Dall, Tran.s. Waj<ner P'ree In.st.. Sei. I'hila., Ill, PL IV, iSyS, 

 p. 845, 1)1. 36, fitr. 19- 



420. Corbula moreauensis Meek and Ilayden. llolotyi-je and 



}>araty])e. 

 Fox Milks (Cret.). Moreau Ri\'er, South Dakota. 



Meek and Ilavden, Proc. .\cad. Xat. .Sci. Phila., \'III, 1856, 

 p. 83. 



= Neaera moreauensi.s. 



9S99. Corbula nasuta Conrad. Plesiotype.s. 



Tertiary. W'e.stern Texa.s. 



Conrad, Rept. l^. S. ]VIe.\ican Pound. Surv., lunory, I, Pt. II, 1857, 

 p. 161, pi. 19, fig. 4. 



7.S30. Corbula nematophora Meek. Cotypes. 



7891. Colorado (Cret. ). Near Cedar City, .southern Utah. 



Meek, Sixth Ann. Rept. IT. S. Geol. vSurv. Terr., 1872, (1S73), 

 p. 496. — White, Kleventh .Ann. Rept. U. S. Geol. Surv. Terr., 

 1S77 (1879), ]). 290, pi. 3, fig.s. 4a-d — vStanton, Bull. No. 106, 

 U. vS. Geol. vSurv., 1893, p. 124, \)\. 27, figs. 3, 4. 



8662. Corbula nematophora Meek. Ple.siotype.s. 



Colorado ( Cret. ). Plateau near \vestcro.s,sin^of North Fork 

 of Virgin River, Utah. 



White, Rept. U. vS. Geogr. Surv. W. loolh Meiid., IV, Pi. I, 

 1876, p. 188, pi. 17, figs. 7a-c. 



23061. Corbula ? persulcata vStanton. Holotype. 



Knoxville (Lower Cret. ). Three mile.s northwest of Pas- 

 kenta, California. 



.Stanton, P>ull. No. 133, U. S. Geol. Surv., 1895 (Feb., 1896), p. 61, 

 ])1. II, fig. 3. 



2 18 1. Corbula perundata Meek and Hayden. Paratypes. 



Laramie (Cret.). Mouth of Judith River, Montana. 



Meek and Havden, Proc. Acad. Nat. Sci. Phila., \'III, 1856, 

 p. 116. — Meek, Rept. U. S. Geol. Surv. Ten., IX, 1876, p. 

 530, pi. 40, fig. 4c. 



