TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 75 



14476. Athyris ? persinuata Meek. Cotypes. 



Upper Carboniferous. White Pine Mountains, Nevada. 



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

 pi. 9, figs. 4-4b. 



= Seminula persinuata. 



14234. Athyris planosulcata Phillips.? Plesiotypes. 



15240. Waverly? (Miss.). Cottonwood Divide, Wahsatch Range, 



Utah. 



Hall and Whitfield, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. II, 

 1877, p. 257, pi. 4, figs. 10, 11. 



14475. Athyris roissyi (L'Eveille)? Plesiotypes. 



Upper Carboniferous. Ruby Valley Range, Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 82, 

 pi. 9, figs. 3-3D. 



[The surface of these shells is not spinose as it should be for this 

 species, but is somewhat lamellose. It is probably a new species of 

 Seminula.] 



14338. Athyris roissyi (L'Eveille). Plesiotype. 



Lower Carboniferous. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 280, pi. 18, figs. 

 9, 9a. 



= Cliothyris roissyi. 



14232. Athyris subquadrata Hall ? Plesiotypes. 



Lower Carboniferous. Snowstorm Hill, near Dry Canyon, 

 Oquirrh Mts., Utah. 



Hall and Whitfield, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. II, 



1877, p. 271, pi. 5, figs. 19, 20. 



= Seminula subquadrata. 



14472. Athyris subtilita Hall. Plesiotypes. 



Upper Carboniferous. White Pine District, Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 83, 

 pi. 8, figs. 6, 6a. 



= Seminula argentea. 



6610. Athyris subtilita Hall. Plesiotypes. 



6801. Upper Carboniferous. Rock Bluffs and Plattsmouth, 



Nebraska. 



Meek, Final Rept. U. S. Geol. Surv. Neb. (Hayden), p. 1S0, 

 pi. 1, fig. 12; pi. 5, fig. 9. 



= Seminula argentea. 



647. Athyris subtilita Hall. Plesiotypes. 



Upper Carboniferous. Near Humboldt Mountains, Nevada. 



Meek, Rept. Expl. Great Basin of Utah, Simpson, 1876, p. 350, 



pi. 2, figs. 4a, 4b. 



