634 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



8527. Strophomena rhomboidalis (Wilckens). Plesiotypes. 



Lower Carboniferous. Mountain Spring, Old Mormon 

 Road, Nevada. 



White, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. I, 1876, 

 p. 85, pi. 5, fig. 5. 



= L,eptsena rhomboidalis. 



24420. Strophomena (Strophodonta) subdemissa Hall. 



Plesiotypes. 

 Base of Upper Devonian. Clear Water River, Mackenzie 

 River Basin, Canada. 



Meek, Trans. Chicago Acad. Sci., I, 1868, p. 88, pi. 13, figs. 7a-c. 



=Stropheodonta demissa. 



35363. Strophostylus remex White. Plesiotypes. 



35364. Rico (Upper Carb. ). Scotch Creek and Marguerite Creek, 



Rico quadrangle, Colorado. 



Girty, Prof. Pap. No. 16, U. S. Geol. Surv., 1903, p. 463, pi. 10, 

 figs. 4, 4a, 5-5b. 



35365. Strophostylus subovatus Worthen? Plesiotype. 



Hermosa (Upper Carb.). Sandstone Mountain, Rico 

 quadrangle, Colorado. 



Girty, Prof. Pap. No. 16, U. S. Geol. Surv., 1903, p. 463, pi. 10, 

 figs. 3, 3a. 



45999. Strophostylus textilis Ulrich and Scofield. Cotypes. 



to Black River (Ord.). St. Paul, Fillmore County, near 



46002. Cannon Falls, and Chatfield, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1064, pi. 82, figs. 49-54. 



43296. Strotopora dermata Ulrich. Holotype. 



Keokuk (Miss.). Keokuk, Iowa. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 488, pi. 77, figs. S-8a. 



43295. Strotopora perminuta Ulrich. Cotypes. 



Onondaga (Dev.). Falls of the Ohio. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 487, pi. 47, figs. 4-4!}. 



46573. Strotospongia maculosa Ulrich and Everett. Figured 



sections of holotype. 

 Stones River (Ord.). Dixon, Illinois. 



Ulrich and Everett, Geol. Surv. 111., VIII, 1890, p. 277, pi. 8, figs, 

 ic-id. 



25673. Stylonurus excelsior Hall. Plesiotype. 



Catskill (Upper Dev.). Meshoppen, Wyoming County, 

 Pennsylvania. 



Hall and Clarke, Nat. Hist. New York, Pal. VII, 1888, p. 158, 

 pi. 26A, figs. 1-3. 



See Dolichocephala lacoana. 



