530 BULLETIN 53, UNITED STATES NATIONAL MUSEUM, 



112534. Potamides (Pyrazisinus ) acutus Dall. Holotj^pe. 



Oligocene. Hillsboro River, above Tampa, Florida. 



Dall, Trans. Wagner Free In.st. vSci. Phila., Ill, Pt. II, 1S92, p. 

 2S9, pi. 22, fig. 19. 



1 12533. Potamides (Pyrazisinus) cornutus Heilprin. Plesiotypes. 

 Oligocene. Tampa, Florida. 



Dall, Trans. Wagner Free In.st. Sci. Phila., Ill, Pt. II, 1S92, p. 



258, pi. 15, fig. 3. 



1 13370. Potamides hillsboroensis Heilprin. Plesiotype.s. 



Oligocene. Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1S92, p. 

 2S6, pi. 15, fig. 12. 



113377. Potamides (Pyrazisinus) scalatus (Heilprin). Plesiotypes. 

 Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1892, p. 

 289, pi. 15, figs. I, 7, 8, 10b. 



See Cerithidea scalata. 



113375. Potamides (Pyrazisinus) scalatus ecarinatus Dall. 



Holotj'pe. 

 Pliocene. Caloosahatchie River, near P'ort Thomp.son, 

 Florida. 



Dall, Trans. Wagner F^ree Inst. vSci. Phila., Ill, Pt. II, 1S92, p. 



259, pi. 15, fig. 4. 



1 12525. Potamides (Lampanella) transecta Dall. Holotype. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 189, 

 pi. II, fig. 7; Pt. II, 1892, p. 287. 



13393. Potamis pullatus Gould. Holotype. 



Post Tertiary. vSan Diego, California. 



Gould, Rept. Expl. and Surv. R. R. Miss, to Pacific Ocean, V. 

 1856, p. 333- pl- II. fig- 23- 

 Poteriocrinites. See Poteriocrinus. 



8066. Poteriocrinus montanaensis Meek. Holotype. 



Lower Carboniferous. Old Baldy, near Virginia City, 

 Montana. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1S73, p. 469, and 

 footnote as Poteriocrinites montanensis. — White, Twelfth 

 Ann. Rept. U. S. Geol. vSurv. Terr., Pt. I, 1883, ]). 128, pi. 33, 

 fig. 6a. 



= Poteriocrinus (Scapliiocrinus) montanaensis. 



39937. Poteriocrinus municipalis Troo.st. Chirotj^pe. 



Mississippian. Lawrence County, Tennessee. 

 Troo.st, Proc. Anier. Assoc. Adv. vSci., II, 1850, p. 61. 



