392 



SEQUENCE OF THE GENERA. 



Psammotsea, 60, 346 

 Tellina, 61, 346 

 Tellinides, 73, 348 

 Corbis, 74, 348 

 Lucina, 75, 348 

 Donax, 79, 348 

 Capsa, 86, 349 

 Crassina, 87, 350 

 Cyclas, 89, 350 

 Cyrena, 92, 350 

 Cyrenoida, 351 

 Galathsea, 94, 353 

 Cyprina, 95, 353 

 Cytherea, 96, 353 

 Artemis, 106, 356 

 Venus, 109, 357 

 Venericardia, 129 

 Cardium, 129, 363 

 Cardita, 144, 367 

 Cypricardia, 149, 369 

 Isocardia, 150, 370 

 Cardilia, 151 

 Cucullaea, 151 

 Area, 151, 371 

 Pectunculus, 162, 375 

 Nucula, 167, 376 

 Trigonia, 172, 378 

 Castalia, 173, 378 

 Unio, 173, 378 

 Hyria, 214, 387 

 Anodonta, 215, 387 



Mycetopus, 224 



Iridina, 225 



Chama, 226, 387 



•Cleidothgerus, 227, 387 



Etheria, 230 



Tridacna, 231, 387 



Hippopus, 232 



Modiola, 232, 387 



Mytilus, 243, 388 



Mytilimeria, 243 



Pinna, 25 L, 388 



Crenatula, 256, 388 



Perna, 257, 388 



Malleus, 260, 388 



Avicula, 261, 388 



Meleagrina, 264, 388 



Pedum, 265 



Lima, 265, 389 



Pecten, 268, 389 



Hinnites, 287 



Plicatula, 288, 389 



Spondylus, 289, 389 



Ostraea, 295, 389 



Vulsella, 310, 389 



Placuna, 311, 389 



Anomia, 312, 389 



Crania, 316 



Discina (== Orbicula), 317, 389 



Thecidium, 318 



Terebratula, 319, 389 



Lingula, 333, 389 



