268 



Salterella billingsi Safford. 

 Tetranota hidorsata (Hall). 

 Trochonema belluliim Ulricli. 

 Whiteavesia saffordi (Ulricli). 

 Zittelella varians (Billings). 



Pierce Limestone. 



Anoloticliia explanata. new species. 

 Batostoma conferta, new species. 

 Batostoma dendroidea. new species. 

 Batostoma inutilis, new species. 

 Batostoma ramosa, new species. 

 Batostoma suberassum. new sjjecies. 

 Ceramoporella grandis, new species. 

 Caramoporella ingenua, new species. 

 Chasmatopora sublaxa (Ulricli). 

 Coeloclema consimile, new species. 

 Coeloclema inflatum. new species. 

 Coeloclema pierceanum, new species. 

 Columnaria alveolata, Goldfuss. 

 Constellaria lamellosa, new species. 

 Corynotrypa delicatnla (James). 

 Corynotrypa tennesseensis. Bassler. 

 Dinortliis deflecta (Conrad). 

 Diplotrypa catenulata, new species. 

 Eccyliomphalus contiguus, Ulricli. 

 Escharopora angularis Ulricli. 

 Escliaropora confliiens Ulricli. 

 Eurycliilina subradiata Ulrich. 

 Gfraptodictya dendroidea, new species. 

 Graptodictya fruticosa, new species . 

 Hallopora florencia, new species. 

 Hallopoi'a spissata. new species. 

 Hebertella bellarugosa (Conrad). 

 Helopora spiniformis (Ulricli). 

 Honiiphragnia irrasum (Ulricli). 

 Hoterotrypa patera, new species. 

 Heterotrypa stonensis, new species. 

 Leperditia fabulitis (Conrad). 

 Liospira americana (Billings). 

 Liospira progne (Billings). 

 Lophospira bicincta (Hall). 

 Maclurites magnus Lesueur. 

 Mesotrypa crustulata, new species. 

 Mesotrypa dubia, new species. 

 Monticulipora compacta, new species. 



