494 BTLLETIN 53, UNITED STATES NATIONAL MUSEUM. 



115410. Peripneustes clevei Cotteaii. Holotype. 



Miocene. Anguilla, West Indies. 



Cotteau, Kongl. Svenska Vet-Akad. Hand., XIII, 6, 1S74, p. 40, 

 pi. 7, fig.s.' 4-7. 



30203. Perisphinctes filiplex (Quenstedt) ? Plesiotypes. 



Jurassic. Moffats bridge, Tuolumne River, California. 

 Hyatt, Bull. Geol. Soc. .\mer., V, 1894, p. 423. 



30202. Perisphinctes miihlbachi Hyatt. Holotype. 



Jitrassic. Near Greenwood, El Dorado Comity, California. 

 Hyatt, Bull. Geol. vSoc. Amer., V, 1894, p. 426. 



30204. Perisphinctes virgulatiformis Hyatt. Cotypes. 



Jura.ssic. Stani.slaus River, opposite Bost wicks bar, Cali- 

 fornia. 



Hyatt, Bull. Geol. vSoc. .\nier. , V, 1S94, p. 422. 



137S41. Perissolax blakei (Conrad). Plesiotype. 



Lower Tejon (Eocene). Army Point, near Benicia, Cali- 

 fornia. 



Stanton, Seventeenth Ann. Rej^t. U. S. Geol. vSurv., Pt. I, 1897, 

 p. 1045, pi. 67, fig. I. 



21254. Perissolax brevirostris Gabb. Plesiotype. 



Chico (Cret. j. Near Pentz, California. 



Stanton, Seventeenth Ann. Rept. U. vS. Geol. vSnrv., Pt. I, 1897, 

 p. 1047, pi. 67, fig. 4. 



20103. Perna excavata White. Cotypes. 



Nanaimo ( Cret. ). Lucia, Sheep Jack, and Waldron islands, 

 Gulf of Georgia. 

 White, Bull. No. 51, U. S. Geol. vSurv., 1889, p. 37, pi. 7, fig. 1. 



13329. Perna montana Conrad. Holotype. 



Miocene. San Btieuaventura, Santa Barbara County, 

 California. 



Conrad, Rept. I^xpl. and Surv. R. R. Miss. Riv. to Pacific Ocean, 

 VII, 1857, p. 195. 



43695. Peronopora uniformis Ulrich. Figured sections of holotype. 

 Lorraine (Ord.j. Cincinnati, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 1882, p. 244, ])1. 10, 

 figs. 8, 8a. 



= Peronopora compressa. 



43943. Peronopora vera Ulrich. Cotypes. 



Utica (Ord.). Cincinnati, Ohio. 

 Ulrich, Amer. (^eol., X, 1888, p. 40. 



1 1 1908. Perplicaria perplexa Dall. Holotype and plesiotype. 



1 132 17. Pliocene. Caloo.sahatchie River, near Fort Thomi)Son, and 



Shell Creek, De Soto County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., HI, Pt. I, 1890, p. 90, 

 pi. 3, fig. i; Pt. II, 1892, p. 228, pi. 13, fig. 4. 



