350 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



14005. Leperditia rotundata Walcott. Cotypes. 



Middle Devonian. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1SS4, p. 206, pi. 16, fig. 5. 



41825. Leperditia (?) subrotunda Ulrich. Holotype. 



Onondaga (Dev.). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 181, pi. 16, 

 figs. ia-c. 



41313. Leperditia sulcata Ulrich. Holotype. 



Stones River (Ord.). High Bridge, Kentucky. 

 Ulrich, Amer. Geol., X, 1892, p. 266, pi. 9, figs. 19-21. 

 = Leperditella sulcata. 



41 3 14. Leperditia sulcata ventricornis Ulrich. Holotype. 



tones River (Ord.). High Bridge, Kentucky. 

 Ulrich, Amer. Geol., X, 1S92, p. 266, pi. 9, figs. 22, 23. 

 = Leperditella sulcata ventricornis. 



41 310. Leperditia tumida Ulrich. Holotype. 



Stones River (Ord.). High Bridge, Kentucky. 



Ulrich, Amer. Geol., X, 1892, p. 264, pi. 9, figs. 1-3. 



= Leperditella tumida. 



41284. Leperditia tumidula Ulrich. Holotype. 



Yentou (Ord.). Danville, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 175, pi. 



II, figs. 4a-4c 



41467. Leperditia unicornis Ulrich. Holotype. 



Utica (Ord. ). One mile west of Covington, Kentuckjr. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., II, 1879, p. 10, pi. 7, 

 figs. 4, 4a, 4b. 



= Primitiella unicornis. 



3413 1. Lepidodiscus alleganius Clarke. Cotype. 



Chemung (Dev.). Near Sabinsville, Tioga County, 

 Pennsylvania. 



Clarke, Bull. 49, N. Y. State Museum, 1901, p. 194, pi. 10, fig. 3. 



46533. Lepidolites dickhauti Ulrich. Cotypes. 



Utica (Ord.). Covington, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., II, 1879, p. 21, pi. 7, 

 figs. 17-17D; Geol. and Nat. Hist. Surv. Minn., Final Rept., 



III, Pt. I, 1S93, pi. F, figs. 11, 12. 



See Lepidolites elongatus. 



46533. Lepidolites elongatus Ulrich. Holotype. 



Utica (Ord. ). Covington, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., II, 1879, p. 22, pi. 7, 

 fig. 16. 



= Lepidolites dickhauti. 



