TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 537 



25551. Procas vinculatus Scudder. Cotype. 



Older Tertiary. Roan Mountains, western Colorado, and 

 White River, eastern Utah. 

 Scudder, Mon. XXI, U. S. Geol. Surv., 1893, p. 102, pi. u,fig.3. 



Productella. See also Productus (Productella). 



3517 1. Productella alifera Girty. Cotypes. 



Madison (Miss. ) . South side of Soda Butte Creek, Yellow- 

 stone National Park. 



Girty, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 530, pi. 68, 

 figs. 10a, 10b, ioc. 



35170. Productella cooperensis Swallow. Plesiotypes. 



Madison (Miss.). Crowfoot Ridge, Gallatin Range, 

 Yellowstone National Park. 



Girty, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 528, pi. 68, 

 figs. 8a, 8b, 8c, 9a, 9b. 



1 38 14. Productella hallana Walcott. Plesiotypes. 



Base of Upper Devonian. Near Port Resolution, Great 

 Slave Lake, Canada. 



Meek, Trans. Chicago Acad, Sci., I, 1868, p. 91, pi. 13, figs. 4a-d 

 (as Productus ?). 



See Productus (Productella) hallanus and P. dissimilis ? 



1 1446. Productella semiglobosa Nettelroth. Plesiotype. 



33929. Ouray- (Upper Dev.). Seven localities in central Colorado. 



3 T >- Girty, Twentieth Ann. Rept. U. S. Geol. Surv., Pt. II, 1900, p. 42, 



pi. 3, figs. 7-10. 



Productus — ? Meek = Productella hallana. 



Productus ? Meek = Productus (Productella) lachrymosa 



stigmata. 



Productus (sp. indet.) Hall = Productus cora. 



15058. Productus cora d'Orbigny. Plesiotypes. 



Upper Carboniferous. Weston, Missouri. 



Hall, Stansbury's Expl. and Surv. Valley Great Salt Take, 

 Utah, 1852, p. 411, pi. 3, fig. 4 (as Productus sp. indet.). 



35349 Productus cora d'Orbigny. Plesiotypes. 



to Upper Carboniferous. Scotch Creek and Sandstone Moun- 



35352. tain, Rico quadrangle; Bear Creek and Big Percent 



Creek, Durango quadrangle, Colorado. 



Girty, Prqff Pap. No. 16, U. S. Geol. Surv., 1903, p. 364, pi. 4, 

 figs. 1, 2, 3, 4. 



8482. Productus costatus Sowerby? Plesiotypes. 



9179. Upper Carboniferous. Madison County, Iowa. 



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

 1876, p. 109, pi. 8, figs. 2a-2d. 



