324 



GEOLOGY OF THE EUREKA DISTRICT. 

 LOWER SILURIAN (Orrfoficinm)— Contiuued. 



POGONiP TEERANE — Continued. 



LONE MOUNTAIN SILUEIAN. 



Genera and species. 



Actinosoa. 



Streptelasma Walcott , 



sp.? 



Zaphrentis? sp. ? 



Hulysites catenulatus Linn (sp.) . 

 Mouticulopora, sp ? 



Echiiwdeimata. 



Cystid. 



Remarks. 



X ! Separate plates.. 



