LATINE» 253 



Nautlîus , V, 162 



Nerita , III , 266 



Nucula, III, i56 



0. 



Orticula , II , 245 



Orbulites, V, 167 



Orthocera , V, 194 



Oscana, III, 24 1 



Ostrea j il , 2()3 



Ovula , V, 68 



P. 



Pandora, 11,248 



Patella, III, i83 



Pecten , II , 254 



Pedura, II , 25o 



Penîcellus, V, 169 



Perna , • II, 280 



Pholas, 11,193 



Pinna , III, 170 



Placuna , II , 278 



Planospirite» , III , 287 



Planulites, V, 179 



Plicatula, II, 3 n 



Purpura , V, 23 



Pyrula , 4,193 



R. 



Hadiolites, 11,327 



Rostellaria , IV, 24.2 



Hotalites , V, iSfî 



Coquille*. V. 3â 



