7 TABLE OF FAMILIES, GENERA, AND SOBGENEKA. 



Family Gariidj. : page 



Gari 377 



Family Mesodesmatid^e : 



Mesodesma ....... 378 



Family Mactrid^ : 



Mactra 379 



Zeoatiopsis ....... 380 



Family Myid^ : 



Corbula 381 



Family SAXiCAViD.a; : 



Capistrocardia 383 



Family PnoLADiDiE : 



Barnea 384 



Order Dibranchia. 



Family LuciNlD^ : 



Lucina 385 



Family Tellinid^ : 



Tellina 386 



Family Scrobiculariid^ : 



Semele 388 



Family Cuspidariid.5; : 



Cuspidaria 389 



Family Pandorid^ : 



Myadora 390 



