540 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



15138. Productus longispinus Sowerby. Plesiotj-pes. 



Upper Carboniferous. Fossil Hill, White Pine District, 

 Nevada. 



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

 pi. 8, fig.s. 4, 4a. 



25623. Productus longispinus alaskensis vSchiichert. Cotypes. 



26003. LrOwer Carboniferous. Kuiu Island, Southern Alaska. 



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



15 1 36. Productus longus Meek. Cotypes. 



Upper Carboniferous. Fossil Hill, White Pine Mountains, 

 Nevada. 



Meek, Rept. U. S. Geol. Expl. 4otli Par., IV, Pt. I. 1S77, p. 67, 

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



8494. Productus mexicanus Shumard ? Plesiotype. 



Upper Carboniferotis. Camp Cottonwood, Old Mormon 

 Road, Nevada. 



White, Rept. U. vS. Geogr. Surv. W. looth Merid., IV, Pt. I, 

 1876, p. I2U, pi. 8, figs. 6a-6c. 



646. Productus multistriatus Meek. Cotypes. 



Upper Carboniferous. L,ong Valley, near Eureka, Nevada. 



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

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



15131. Productus multistriatus Meek. Ple.siotypes. 



15133- Upper Carboniferotis. 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, Uake County, Colo- 

 rado. 



White, Rept. U. S. Geogr. Surv. W. looth Merid., IV, Pt. T, 1876, 

 p. 120, pi. 8, figs. 4a-4c. 



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



Middle Devonian. Atrypa Peak, Eureka District, Nevada. 

 Walcott, Mon. VIII, V. S. Geol. vSurv. 1884, p. 131, pi. 13, fig. 9. 

 = Productella navicella. 



8469. Productus nebrascensis Owen. Plcsiotypes. 



Upper Car])oniferous. Near vSauta Fe, New Mexico. 



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

 p. 116, pi. 8, figs. 5c, 3d. 



6995. Productus nebrascensis Owen. Plesiotype. 



24535- 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, iia-d. 



