142 GEOLOGY AND PALEONTOLOGY. 



Cretaceous fossils from between Bio San Pedro and Rio Puercos, collected by A. Schott. 



Rostellaria? collina, Con. 

 E. ? Texana, Con. 

 Natica collina, Con. 

 N. Texana, Con. 

 Buccinopsis Parryi, Con. 



Cretaceous fossils from between El Paso and Frontera, collected by Colonel W. H. Emory. 



Exogjra Matheroniana, D'Orbigny. 



Grypha3a Pitcheri, Morton. 



Cardium (Protocardia) Texanum, Con. 



Trigonia Emoryi, Con. 



Neithea Texana, (Pecten, Roemer.) 



N. occidentalism Con., (quadricostata, Roemer.) 



Plicatula incongrua. Con. 



Area subelongata. Con. 



Cretaceous fossils from Leon Springs, collected by Colonel W. H. Emory. 



Exogyra Matheroniana, D'Orbigny. 



E. arietina^ Roemer. 



E. Iseviusscula, Roemer. 



Grypliaja Pitcheri, Morton. 



Trigonia Texana, Con. 



Lima Leonensis, Con. 



Neithea filosa, Con. 



N. Texana (Pecten, Roemer.) 



N. occidentalis, Con. 



Cardium multistriatum, Shumard. 



Arcopagia Texana, Roemer. 



Cardium Sancti-sabse, Roemer. 



Capsa Texana, Con. 



Terebratula Choctawensis, Shumard. 



Caprina crassifibra, Shumard. 



Turritella Leonensis, Con. 



Natica, . 



Hamites larvatus. Con. 

 Ammonites flaccidicosta, Roemer. 

 A. Texanus, var. Roemer. 

 Cyphosoma Texanum, Roemer. 

 Pyrina Parryi, Hall. 

 Holectypus planatus, Roemer. 

 Toxaster Texanum. 

 Turbinolia Texana, Con. 



