540 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



151 38. Productus longispinus Sowerby. Plesiotypes. 



Upper Carboniferous. Fossil Hill, White Pine District, 



Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 78, 

 pi. 8, figs. 4, 4a. 



25623. Productus longispinus alaskensis Schuchert. Cotypes. 



26003. Lower Carboniferous. Kuiu Island, Southern Alaska. 



Schuchert, Seventeenth Ann. Rept. U. S. Geol. Surv., 1897, p. 903. 



15 136. Productus longus Meek. Cotypes. 



Upper Carboniferous. Fossil Hill, White Pine Mountains, 

 Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I. 1877, p. 67, 

 pi. 7, figs. 6-6b (named P. longus at end of description). 



8494. Productus mexicanus Shumard ? Plesiotype. 



Upper Carboniferous. Camp Cottonwood, Old Mormon 

 Road, Nevada. 



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

 1876, p. 120, pi. 8, figs. 6a-6c. 



646. Productus multistriatus Meek. Cotypes. 



Upper Carboniferous. Long Valley, near Eureka, Nevada. 



Meek, Proc. Acad. Nat. Sci. Phila., i860, p. 309; Rept. Expl. 

 Great Basin of Utah, Simpson, 1876, p. 350, pi. 1, figs. 8-8b. 



15131. Productus multistriatus Meek. Plesiotypes. 



I 5 I 33- Upper Carboniferous. Ruby Valley Range, and White 



Pine District, Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1S77, p. 76, 

 pi. 8, figs. 3-3e. 



8491. Productus muricatus Norwood and Pratten. Plesiotype. 



Upper Carboniferous. Rock Creek, Lake County, Colo- 

 rado. 



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

 p. 120, pi. S, figs. 4a-4c 



13819. Productus (Productella) navicella (Hall). Plesiotype. 



Middle Devonian. Atrypa Peak, Eureka District, Nevada. 

 Walcott, Mon. VIII, U. S. Geol. Surv. JSS4, p. 131, pi. 13, fig. 9. 

 = Productella navicella. 



8469. Productus nebrascensis Owen. Plesiotypes. 



Upper Carboniferous. Near Santa Fe, New Mexico. 



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

 p. 116, pi. 8, figs. 3c, 3d. 



6995. Productus nebrascensis Owen. Plesiotype. 



2 4535- Upper Carboniferous. Bellevue, and Pawnee County, 



Nebraska. 



Meek, Final Rept. U. S. Geol. Surv. Nebr. (Hayden) 1872, p. 165, 

 pi. 2, fig. 2; pi. 5, figs. ua-d. 



