BY R. TATE AND W. L. MAY. 



469 



Lampusia... 



Latirofusus 



Leda 



Legrandia 



Legrandina 



Leiopyga ... 



Lepidopleurus 



Lepton 



Leucotina... 



Lima 



Limatula ... 



Limopsis ... 



Liolophura 



Liotia 



Lithodomus 



Litiopa 



Littorina ... 



Lodderia . . . 



Lophyrus . . . 



Lorica 



Loricella . . 



Loripes 



Lotorium ... 



Lottia 



Lucapinella 



Lucina 



Lunella 



Luponia ... 



Lutraria . . . 



Lyi'ia 



Macoma . . . 



Maciochisma 



Mactra 



Mactrella ... 



Magasella . . . 



Magellania 



Maleagrina 



Mangelia .. 



Margarita 

 Marginella 



.397, 



348, 389, 



366, 368, 

 372, 



.347, 



Marin ula .. 



Marmorostoma 



Marsenia . 



Megalatractus 



Megatebennus 



Megerlina 



Melampns 



Mercenaria 



Meretrix . . . 



Meroe 



Mesodesma 



Metis 



Met ula 



Microsetia 



Minolia ... 



Minos 



Mitia ... 360, 



Mitrella 



Mitromorpha 



Modiola ... 



Modiolarca 



Modiolaria 



Monilea ... 



Monodonta 347, 



Monoptygma 



Montacuta 



Muhlfeldtia 



Murex 



My a 



Mylitta 



Myochama 

 Myodora ... 

 Myonia . . 

 Myrina ... 



My sella 



Mysia 

 Mytilicardia 



My tilus 



Nacella 

 Naranio ... 

 Narica 



Nassa 



Natica 



Nausitora . . . 



Necera 



Neptunea ... 



Nerita 



Neritula 



Newtoniella 



Ninella 



Nucula 

 Obeliscus ... 

 Ocinebra ... 

 Octopus ... 

 Odontostomia 

 Odostomia 



Olivella 



Olivia 



Ondina 



Onithochiton 



Onychoteuthis , . 



Ophicardelus 



Ostrea 



403, 404, 

 361, 862, 



400, 

 402, 405, 



352, 856, 

 422, 423, 



434, 



358 

 .875, 376, 



PAGE 



... 424 



... 426 



... 448 



... 418 



... 405 



446, 448 



448, 454 



.. 865 



372, 455 



438, 452 



489, 462 



488, 489 



404, 448 



4U6, 448 



... 415 



... 486 



.. 453 



448. 453 



... 421 



433, 4.52 



452, 461 



... 422 



... 415 



... 439 



438, 453 



432, 452 



452, 462 



437, 452 



... 411 



... 426 



... 376 



359, 448 



443, 448 



... 421 



... 421 



... 448 



396, 448 



.. 444 



.. 444 



.. 899 



435, 452 



... 382 



... 852 



... 350 



382, 383 



... 382 



... 364 



... 864 



... 882 



446, 448 



... 351 



419, 445 



441, 452 



