TYPE SPECIMENS OF INVERTEBRATE FOSSILS. HIT 



23845. Platyceras texanum Walcott. CotyiKs. 



Upper Cambrian. Packsaddlc Mountain, liurnett County, 

 Texas. 

 Walcott, Proc. IT. vS. Nat. Mus., XIII, 1890, p. 26S, pi. 20, fig. 5. 



13924. Platyceras thetiforme Walcott. Cotypcs. 



Middle Devonian. Brush Peak, luireka District, Nevada. 



Walcott, Mon. VIII, T. .S. (leol. vSun., 1884, p. 184, pi. 6, figs. 4-4!). 



46534. Platyceras tribulosum White. Holotype. 



Burlington (Miss.). Burlington, Iowa. 



White, Twelfth Ann. Rept. U. vS. Geol. Surv. Terr., Pt. I, 1883, 

 p. 168, pi. 41, figs. 6a, 6b. 



13923. Platyceras undulatum Walcott. Holotj'pe. 



Middle Devonian. Brush Peak, Eureka Di.strict, Nevada. 



Walcott, Moil. VIII, IT. S. Geol. vSurv., 1884, p. 184, pi. 6, fig.s. 2, 2a. 



45955. Platyceras ? wisconsinense Ulrich and vScofield. Cotypes. 

 Stones River (Ord.). Beloit, Wisconsin. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., iMiial 

 Rept., Ill, Pt. II, 1897, ]). 106S, pi. 6r, figs. 49-52. 



158316. Platyccenia jacksonensis Vaughan. Holotype. 



Jack.sonian (EoceneJ- Jack.son, Mi.s.si.ssippi. 



Vaughan, Mon. XXXIX, U. S. Geol. Surv., 1900, p. 150, pi. 17, 

 figs. 9-9C. 



Platycrinites. See Platycrinus. 



39888. Platycrinus ann-dixoni Troo.st. Chirotypes. 



Silurian. Decatur County, Tennessee. 



Troost, Proc. .\iner. A.ssoc. .\dv. vSci., II, 1S50, p. 61. 



7806. Platycrinus haydeni Meek. Holotype. 



Lower Carboniferous. Old Bald}', near \'irginia City, 

 Montana. 



Meek, Sixth Ann. Rept., U. S. Geol. vSurv. Terr., 1873, p. 469, 

 and footnote, as Platycrinites haydeni. — White, Twelfth Ann. 

 Rept. U. S. Geol. Surv., Terr., Pt. I, 1S83, p. 122, pi. 33, 

 fig. 7a. 



24185. Platycrinus hemisphericus Meek and Worthen. Ple.siotype. 

 Keokuk ( Mi.ss.). Crawford.sville, Indiana. 



Grabau, Aiiicr. Journ. Sci. (4), XVI, 1903, p. 296, fig. 8, p. 297. 



39886. Platycrinus huntsvillae Troost. Chirotypes. 



Mis.sissippian. Near Huntsville, Tenne.s.see. 

 Troost, Proc. Anier. .A.s.soc. Adv. Sci., II, 1850, p. 61. 



7805. Platycrinus (Eucladocrinus) montanaensis Meek. 



Holotype. 

 lyower Carboniferous. Twin Springs, Dry Creek \'alley, 

 Montana. 



Meek, Fifth Ann. Rejjt. U. vS. CtcoI. vSurv. Terr., 1S72, p. 373. 



= Eucladocrinus montanaensis. 



