1S9G.] ^^* [Smith. 



PJdlUpsia {Griffithides) scitula Meek and Wortlien. 



Euomphalus {Straparollus) suhquadratus Meek and Wortlien. 



AtJiyris subtilita Hall. 



PresticicMa sp. or a new genus closely allied to PrestwicMa. 



No. 5. White county, 9 N., 5 W., section 1. Soft reddish sandstone, 

 similar to that of locality No. 4, containing also PhilUpsia (Griffithides) 

 scitula Meek and Worthen. Collector, J. C. Branner. 



No. 6. Lonoke countj', 4 N., 10 W., section 12, southeast quarter of 

 northwest quarter. Gray quartzite conglomerate seen in a well by the 

 roadside to dip 45'^ south. Towards base of Lower Coal Measure. Col- 

 lector, J. P. Smith. 



Crinoid stems, undetermined. 



No. 7. Conway country, 6 N., 16 W., section 29, southwest quarter of 

 southwest quarter, on east bank of Arkansas river, about one mile below 

 the Old Lewisburg ferrj^. A brown ferruginous shale near the top of 

 the Lower Coal Measures and probably a few hundred feet above the 

 shales of locality No. 8. Collector, J. F. Newsom. 



Productus punctatus Martin. 



Derbyia crassa Meek and Haj'den. 



OrtJiis peeosii Marcou. 



Spirifer cameratus Morton. 



Spiriferina cristata Schlotheim. 



Athyris subtilita Hall. 



Terebratula hastata Sowerby. 



Aviculopecten occidentalis Shumard. 



No. 8. Conway county. 5 N., 16 W., section 17, two hundred yards 

 west of the centre of northwest quarter, west of the Arkansas river, 

 and four miles south of Morrilltou. The horizon is near the top of the 

 Lower Coal Measures. Reddish ferruginous shale. Collector, J. F. 

 Newsom. 



PhilUpsia {Griffithides) ornata Yogdes. 



Zaphrentis sp. 



Nueula parva McChesney. 



Nucula ventricosa Hall. 



Macrodon carbonarius Cox. 



Conocardium aliforme Sowerby. 



Aviculopecten occidentalis Shumard. 



Aviculopecten carboniferus Stevens. 



Pleurophorus oblongus Cox. 



Bellerophon carbonarius Cox. 



Bellerophon crassus Meek and Worthen. 



Pleurotomaria sp. 



Macrocheilus (Soleniscus) conf. primigenius Conrad. 



Macrocheilus conf. fusiformis Hall. 



Goniatites {Paralegoceras) iowensis Meek and Worthen. 



PROC. AMER. PHILOS. SOC. XXXV. 152. 2 B. PRINTED DEC. 18, 1896. 



