632 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



1 12227. Strombus chipolana Dall. Cotypes. 



(31igoceue. Near Baile3'S Ferrj^ Chipola River, Florida. 



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

 176, pi. 4, fig. i; Pt. II, 1892, p. 263, pi. 13, figs. I, 3 (as 

 S. chipolanus). 



25675. Stropheodonta beckii Hall. Plesiotype. 



Helderbergian (Lower Dev. ). Cape I^eidy, Arctic America. 

 Meek, Amer. Journ. ,Sci. (2), XL, 1865, p. 33. 



13797. Stropheodonta calvini Miller. Plesiotype. 



Middle Devonian. Eureka District, Nevada. 



Walcott, Mon. YIII, U. vS. C^eol. vSurv., 1884, p. 122, pi. 13, fig. 6. 



14010. Stropheodonta canace Hall and Whitfield. Plesiotype. 



Upper Devonian. Treasure Hill, White Pine District, 

 Nevada. 



Hall and Whitfield, Kept. U. vS. Geol. Expl. 40th Par., IV, Pt. II, 

 1877, p. 246, pi. 3, figs. 1-3. 



13799. Stropheodonta demissa (Conrad). Plesiotype. 



Middle Devonian. Eureka Di.strict, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. iiS, pi. 2, figs. 

 9-9b. 



See Stropheodonta diino.sa and Strophomena (Stropho- 

 donta ) subdeniissa. 



1 791 7. Stropheodonta dimosa (Conrad). Plesiotype. 



Middle Devonian. Near New Buffalo, Iowa. 



Owen, Rept. Geol. vSurv. Wis., Iowa, and Minn., 1852, pi. 3 A, 

 fig. 14. 



= vStropheodonta demi.ssa. 



25676. Stropheodonta headleyana Hall. Plesiotype. 



Helderbergian (Lower Dev. ) . Cape Leidy, Arctic America. 

 Meek, Amer. Journ. vSci. (2), XL, 1865, p. 33. 

 = Strophonella headleyana. 



13804. Stropheodonta inequiradiata (Hall). Plesiotype. 



Middle Devonian. Combs Peak, Nevada. 



Walcott, Mon. VIII, U. vS. Geol. vSurv., 1884, p. 120, pi. 2, figs. 

 II, iia. 



1 7916. Stropheodonta iowensis (Owen). Plesiotype. 



Middle Devonian. North of Iowa City, Iowa. 



Owen, Rept. Geol. vSurv. Wis., Iowa, and Minn., 1852, pi. 3 A, 

 fig. 17 (as Chonetes sp. undet.). 



vSee Chonetes (?) iowensis. 



50.82. Stropheodonta magnifica Hall. Pla.stotype. 



Oriskany (Lower Dev. ). Albany County, New York. 

 Hall, Nat. Hist. New York, I'al. Ill, 1859, p. 414, pi. 94, figs. 



2C, 2d. 



