Smith.] ^'^^ [Oct. 2, 



formation in Couwa}' county, 5 N., 16 W., section IT, near centre of tlie 

 north half, were found specimens of this genus, too poorly preserved to 

 allow the species to he determined. 



Suhkingdom Echinodekmata. 



Class Crinoidea. 



Glenus Cyathocrixus, Miller. 



In the Upper Coal Measures of Poteau mountain, Indian Territorj- 

 were found a great many stems that seem to helong to Cyathocrinus, 

 but no other parts w'ere found, to make the identification more certain. 



Genus Erisocriki's, 3Ieek and Worthen. Erisoerinus (Ceriocrinus) 

 inflexus Geinitz, sp. Cyathocrinus inflexus Geinitz, Carh on forma- 

 tion unci Dyns in Nebraska, p. 62. Poteriocrinus liemisphcericus 

 Shumard, Trans. St. Louis Acad. Sci., i, p. 221. Scap/iioci'inus 

 hemisplmricus Shumard, sp., F. B. Meek, U. 8. Geol. Survey 

 Nebraska, p. 147. Erisoerinus (Ceriocrinus) i/iflexus Geinitz, sp., 

 C. A. White, Twelfth Ann. Rept. Hayden's U. S. Geol. Survey 

 Wyoniiny and Idaho, Part i, p. 128, PI. xxxiv. Fig. 9. 



This species which is common in the Coal Measures of Nebraska, 

 Utah, etc., was found in the Upper Coal Measures of Poteau mountain, 

 Indian Territory. 



Genus Hydreikocuixus, De Koninck. Hydreinocrinus mucrospinosus 

 McChesney, sj). Zeacrinus mucrospinosus McChesney, Descr. New 

 Pal. Foss., p. 10. nydrei7iocrinus mucrospinosus McChesne3% F. B. 

 Meek, TJ. S. Geol. Survey Nebraska, p. 149.* 



Found in the Upper Coal Measures of Poteau mountain, Indian Ter- 

 ritory. 



Genus Poteriocrinus, Miller. Poteriocrinus, sp. indet. 



In the Upper Coal Measures of Poteau mountain, Indian Territory, 

 were found numerous crinoid stems that seem to belong to Poteriocrinus. 



Crinoidea, genus undetermined. 



In the Lower Coal Measures of White county, 8 N., 7 W., section 33, 

 southeast quarter, and section 26, southeast- quarter, and in beds of the 

 same age in Pope county, Point mountain spur, 10 N., 20 W., sections, 

 southeast cpiarter of northwest quarter, wei-e found numerous crinoid 

 stems, wliich could not be identified since tliey were mostly in tlie form 

 of moulds or casts. 



* Meek cites this species from Arkansas, Ixit gives no locality, or authority for the 

 statement. 



