568 



AXEL A. OLSSON 



Lucinidae, 206 



Lucinoma, 207, 208 



Lucinisca, 207, 212 



Lunarca, 75, 100 



lupanaria, Hysteroconcha, Pitar, 282, 283 



lurida, Barbatia, 80 



Lyonsia, 467 



lyra, Lyratellina, Tellina, 383, 384, 



lyrica, Lyratellina, Tellina, 384 



Lyratellina, 376, 383 



Lyropecten, 156, 160 



M 



Macaliopsis, 383 

 Machaerodonax, 337, 345 

 macdonaldi, Corbula, 435 

 macdonaldi, Noetia, 102 

 macdonaldi, Pecten, 159 

 macneili, Tellina, 403 

 Maconna, 377 

 Macoploma, 414, 416 

 Macrocallista, 272, 273 

 Mactra, 321, 322 

 Mactrella, 327 

 Mactrellona, 320, 327 

 Mactridae, 320 

 Mactrinula, 324 

 Mactrodernaa, 322 

 mactroides, Bornia, 233 

 mactroides, Poromya, 467 

 mactroides, Tivela, 268 

 Mactromeris, 322 

 maculata, Glycymeris, 104, 106 



Pectunculus, 104, 106 

 maculatum, Cardium, 248 

 maculosa, Anadara, Area, 85 

 maculosum, Cardium, 248 

 magdalenae, Antigona, Cytherea, 292 

 magellanicus, Mytilus, 116 

 magnificus, Pecten, Lyropecten, 161 

 mancorensis, Donax, 338, 340 

 mantaensis, Eurytellina, Tellina, 392, 397 

 mantaensis, Papyridea, 250 

 maoica, Noetia, Sheldonella, 103 

 marella, Nuculana, 67 

 margarita, Orobitella, 236, 237 

 margarita, Merisca, 383 

 margarita, Semele, 360 

 margaritiferus, Mytilus, 147 

 Margaritiphora, 145 

 mariae, Chione, Venus, 296 

 raaritima, Polymesoda, Cyrena, 194, 195 

 marmorata, Caryocorbula, 428, 431 



Corbula, 428, 431 

 Martesia, 445 

 martinicensis, 180 

 raaura, Atrina, 144, 145 

 maxima, Gari, Psammobia, 356 

 maxima, Ostrea, 157 

 mazatlanica Lucina, 214 



mazatlanica, Pinctada, Meleagrina, 147 

 mcgintyi, Nioche, 309 

 medioamericana, Psammacoma, 416 

 medioamericana, Semele, 370 

 mediterranea, Solemya, 52 

 Megapitaria, 272, 273 

 megastropha, Cardita, 185, 187 



Venericardia, 185, 187 

 megas, Crenella, 130 

 megodon, Ostrea, 172 

 melanoderma, Anadara, 101 

 melanura, Hastasia, Pholas, 448 

 Meleagrina, 147 

 Melina, 149 

 Meretrix, 266 

 meridionalis, Chione, 294 

 meridionalis, Neocyrena, Cyrena, 198 

 Merisca, 377 



meropsis, Moerella, Tellina, 400, 401 

 Mesodesma, 334 

 Mesodesmatidae, 334 

 Mesopleura, 350 

 Metis, 410 



metodon, Nioche, Chione, 308 

 mexicana, Agriopoma, Pitar, 280 

 mexicana, Crassinella, 181, 182 

 mexicana, Ctena, 218 

 mexicana, Ostrea, 173 

 mexicana, Pitar, Agriopoma, 280 

 mexicana, Polymesoda, Cyrena, 193, 194 

 Mexicardia, 244 

 Microcardium, 245, 253 

 Micromactra, 322, 324 

 Miltha, 206, 214 

 milleri, Praxis, 140 

 millifilia. Area, 84 

 miniata, Tellina, 348 

 minor, Pectunculus, 108 

 modesta, Transennella, Cytherea, 280 

 Modiola, Modiolus, 112, 125 

 Modiolaria, 128 

 modiolina, Gastrochaena, 440 

 modiolus, Mytilus, 125 

 Moerella, 377, 400 

 mompichensis, Tellinidella, 399, 400 

 monotimeris, Chlamys, 165 

 Monothyra, 443 

 Montacutidae, 233 

 montezuma, Chionopsis, Chione, 302 

 montezuma, Mulinia, 321, 330 

 multicostata, Anadara, Area, 92 

 multicostata, Glycymeris, 105, 107 



Tucetona, 105, 107 

 multicostata, Periglypta, Antigona, 293 

 multiformis, Scolimytilus, Mytilus, 122 

 multispinosa, Hysteroconcha, Pitar, 284 

 muricata, Lucinisca, Lucina, 212 

 muricata. Pinna, 143 

 Musculus, 128 

 mutabilis. Area, 76 

 mutica, Cumingia, 371, 372 



