24 Stanton and Vaughan — Section of the 



No. 8 of Section. 



The fauna of No. 3 is essentially the same as that of No. 2 y 

 though the fossils are less numerous and not so well preserved. 

 Gryphcea forniculata White, Neithea texana Roemer, Schlcen- 

 bachia belknapi Marcou, aud a few other forms were recognized. 



No fossils were seen in No. 4. 



No. 2 of Section. 



Enallaster texanus (Roemer). 



Holectypus planatus Roemer. 



Grypbeea tucumcarii Marcou. 



Grypbsea forniculata White. 



Exogyra texana Roemer. — Most of the specimens belong 

 to a rather robust variety described by Conrad under 

 the name Exogyra frag osa. 



Plicatula incongrua Conrad. 



Neithea texana (Roemer). 



Pinna comancheana Cragin. 



Trigonia emoryi Conrad ? Imperfect specimens that seem 

 to be referable to this species. 



Cardium (Protocardia) texanum Conrad. 



Pholadomya sancti-sabae (Roemer) ? 



Pleuromya knowltoni Hill ? — Large specimens that prob- 

 ably belong to this species. 



Tylostoma? sp. 



Turritella seriatim-granulata Roemer ? 



Schlcenbachia peruviana von Buch. 



Schlcenbachia belknapi Marcou. 



Schloenbachia sp. 



No. 1 of Section. 



Diplopodia texanum (Roemer). 



Enallaster texanus (Roemer). 



Ostrea subovata Shumard? A single specimen doubtfully 



referred to this species. 

 Exogyra texana Roemer. 

 Lima sp. 



Neithea texana (Roemer). 

 Requienia texana (Roemer) ? A large specimen probably 



of this species. 

 Cardium (Protocardia) texanum Conrad. 

 Pleuromya knowltoni Hill. 

 Neritina n. sp. 



Tylostoma pedernalis (Roemer). 

 Turritella sp. 

 Aporrhais ? Casts of two species. 



