APPENDIX B 323 



Camarophoria. 

 Pugnax near utah (Mareou). 

 Seminula argentea (Shepard) ? 

 Cotahuasi B. 



Productus cora d'Orb. 



" near semireticulatus (Martin). 



IV. C omanchian or Lower Cretaceous 



Near Chuquibambilla. 



Pecten near quadricostatus Sowerby. 



Undet. bivalves and gastropods. 



The eehinid Laganum? colombianum d'Orb. A clypeasterid. 

 This Lower Cretaceous locality is evidently of the same horizon as that of 

 Colombia illustrated by d'Orbigny in 1842 and described on pages 63-105. 



