284 



INDEX OF GENERA AND SPECIES. 



Dosinia callosa, 96. 



Conradi, 25, 97. 



Dunckerii, 57. 



elevata, 240. 



gyrata, 241. 



inflata, 241. 



longula, 119. 



Mathewsonii, 57, 97. 



montana, 119. 



pertenuis, 241. 



ponderosa, 57, 97. 



Staleyi, 24, 57, 97. 



subobliqua, 119. 



tenuis, 240. 

 Dosiniopsis, 240. 



alta, 240. 

 Drillia, 72. 



inermis, 72. 



perversa, 73. 



Voyi, 7, 73. 



ECHINARACHNIUS, 36, 109. 



Brewerianus, 36, 109. 

 Ellipsosmilia, 254. 



granulifera, 254. 

 Emarginula, 230. 



radiata, 230. 

 Ensis, 116. 



curtus, 116. 

 Entalophora, 109. 



punctulata, 109. 

 Epona, 164, 225. 



Mathewsonii, 164, 225. 

 Eripaciiya, 148, 216. 



Hoffmannii, 149, 216. 



perforata, 149, 216. 



Eripachya ponderosa, 149, 216. 

 Eriphyla, 244. 



umbonata, 244. 

 Euclia, 10, 79. 



tritonidea, 11, 79. 

 Euspira, 160, 223, 260. 



alveata, 160, 223. 



tabulata, 261). 

 Exogyra, 253, 275. 



Boussingaultii, 275. 



flabellata, 275. 



harpa, 275. 



Matheroniana, 275. 



parasitica, 253. 



plicata, 275. 



spinosa, 275. 



subspinosa, 275. 



Texana, 275. 



Fasciolaria, 220. 



Io, 220. 



lssviuscula, 220. 



sinuata, 220. 

 Ficopsis, 113, 158, 221. 



Cooperii, 159, 221. 



Hornii, 158, 221. 



modesta, 113. 



Eemondii, 158, 221. 

 Ficus, 48, 77, 113, 221. 



cyprceoides, 160, 221. 



Dussumieri, 48. 



mamillatus, 221. 



modestus, 113. 



nodiferus, 48, 77 



Ocoyanus, 113. 



pyriformis, 48, 77. 



