TYVE SPECIMENS OV INVERTEBRATE FOSSILS. 75 



14476. Athyris ? persinuata Meek. Cotypes. 



Upper Carboniferous. White Pine Mountains, Nevada. 



Meek, Rept. U. vS. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 81, 

 pi. 9, figs. 4-4b. 



= Seniinula j^ersinuata. 



14234. Athyris planosulcata PhilHps.? Plesiotypes. 



15240. W'averly? (Miss.;. Cottonwood Divide, Wahsatch Range, 



Utah. 



Hall and Whitfield, Rept. U. S. Geol. Expl. 4otli Par., IV, Pt. II, 



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



14475. Athyris roissyi (I^'Kveille)? Plesiotypes. 



Upper Carboniferous. Ruby Valley Range, Nevada. 



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

 pi. 9, figs. 3-3b. 



[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 

 Seniinula.] 



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



Lower Carboniferous. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. vSurv., 1884, p. 280, pi. iS, figs. 



9, 9a. 

 = Cliotliyris rois.syi. 



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. Ple.siotypes. 



Upper Carboniferous. White Pine Di.strict, Nevada. 



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

 pi. 8, figs. 6, 6a. 



=Seininula argentea. 



6610. Athyris subtilita Hall. Plesiotypes. 



6801. Upper Carboniferous. Rock Bluffs and Plattsniouth, 



Nebra.ska. 



Meek, Final Rept. U. S. Geol. Surv. Neb. (Hayden), p. 180, 

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



= Seminula argentea. 



647. Athyris subtilita Hall. Plesiotj'pes. 



Upper Carboniferous. Near Humboldt Mountains, Nevada. 



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

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



