58 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



12523. Arcestes gabbi Meek. Cotypes. 



Tria.s.sic. Near Cottonwood Canyon, West Humboldt 

 Range, Nevada. 



Meek, Rept. U. vS. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 121, 

 pi. 10, figs. 6a. 



12531. Arcestes ? perplanus Meek. Cotypes. 



l^pper Tria.ssic. Biiena Vi.sta Canyon, South Fork West 

 Humboldt Range, Nevada. 

 Meek, Rept. U. vS. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 120, 



]5l. II, figs. 7a. 



27126. Archaeocaris vermiformis Meek. Cotypes. 



Waverl}^ (Miss.). Near Danville, Kentuck}'. 

 Meek, Geol. vSurv. Ohio, II, 1875, p. 321, pi. 18, fig. 7. 



8235. Archaeocidaris cratis White. Holotype. 



Upper Carboniferous. Confluence of Green and Grand 

 rivers, Utah. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., Pt. I, 1878 

 (1883), p. 130, pi. 33, fig. 2a. 



8031. Archaeocidaris dininnii Wliite. Cotype. 



Upper Car])oniferous. Tecumseh, Nebra.ska. 



White, Proc. U. S. Nat. Mus., II, 1S80, p. 260, pi. i, figs. 13-15; 

 Twelfth Ann. Rept. V. S. Geol. vSurv. Terr., 1878 (1883), Pt. 

 I, p. 131, pi. 35, figs. 6a-6c. 



8472. Archaeocidaris ornatus Newberry. Ple.siot^-pe. 



Upper Carboniferous. Ten miles west of Ojo del Oso, 

 near Fort Wingate, New Mexico. 



White, Rept. U. vS. Geogr. vSurv., W. luoth Merid., IV, Pt. I, 1876, 

 p. 104, pi. 6, fig. 7a. 



35369. Archaeocidaris ourayensis Girty. Holot^-pe. 



Henno.sa ? (Upper Carb. ). Ouray, Colorado. 



Girty, Prof. Pap. 16, U. vS. Geol. vSurv., 1903, p. 329, pi. i.fig. 14. 



9449. Archaeocidaris triplex White. Cotypes. 



Upper Carboniferous. Near Taos, New Mexico. 



White, Re])!. V. S. Geogr. vSurv., W. looth Merid., Ill, vSuppl., 

 iSSi, p. 22, pi. 4, figs. 3a-3C. 



6599. Archaeocidaris? triserrata Meek. Cotypes. 



Upper Carboniferous. Near Omaha, Nebra.ska. 



Meek, I'inal Rc])l. V. S. Geol. vSurv., Xebr. (Hayden), 1872, p. 

 i,Si . ])1. I, figs. 6a -6c. 



8471. Archaeocidaris trudifer White. Cotj^pes. 



Red Wall { U])per Carb. ). Camp Apache, Navajo County, 

 Arizona. 



White, Prelim. Rept. U. S. Geogr. vSurv., W. lootli Merid., 8 vo., 

 1874, p. 17; Rept. U. S. Geogr. vSnrv., W. looth IMerid., r\', 

 Pt. I, 1877, p. 104, pi. 6, figs. 8a, 8b. 



