412 



CALIFOKNIA ACADEMY OF SCIENCES. 



Macoma nasnta 18, 21, 23, 25, 27, 31, 32, 33, 36, 55, 

 57, 62, 68, 75, 162, 163, 164, 167 

 Tar. kelseyi 27, 31, 36, 62, 75, 164 

 pedroana 157 

 Becta 18, 21, 23, 25, 27, 31, 32, 33, 36, 62, 68, 75, 



163, 164 

 {RexilhcErus) secta var. edulis 164 

 tenera 160, 161 

 tersa 163 



yoldiformis IS, 21, 36, 62, 75, 161, 163, 165 

 Macron 79, 230 



kellettii 28, 42, 79, 230 

 lividus 42, 79, 230 

 Mactra 76, 164, 174 

 anatina 177 



californica 27, 36, 59, 62, 76, 174, 175, 176 

 catilliformis 23, 25, 27, 31, 33, 55 

 (Spisula) catilliformis 36, 62, 176 

 exoleta 27, 36, 62, 67, 76, 175 

 falcata IS, 21, 23, 25, 27, 31, 33, 176 

 (Spisula) falcata 36, 62, 176 

 hemphilli 27, 36, 76, 175 

 maxima 178 

 planulata 174 



var. falcala 176 

 solida 175 

 stultorum 174 

 Mactiacea 76, 174 

 MactridsB 76, 174 

 MactrinfB 76, 174 

 Mcera salmonea 157 

 Malacostraca 85, 345 

 Maugilia 55, 78, 210, 211 



augulata 10, 22, 25, 31, 42, 52, 55, 62, 78, 212 

 (Cythara) branneri 211 

 (Clathurella) couradiana 210 

 hooveri 28, 42, 78, 212 

 iuterfossa 213 



var. pedroana 19, 25, 42, 52, 79, 213 

 interlirata 19, 31, 42, 79, 213 

 oldroydi 19, 42, 79, 213, 214, 215 

 painei 19, 42, 79, 214 

 sculpturata 15, 42, 79, 214, 215 

 striosa 28, 31, 42, 62, 79, 215 

 (Taranis) strong'! 215 

 variegata 212 

 Mangiliie 214 

 Mantellum 73, 115 



dehiscens 73, 116 

 Margarita 84, 332 



calostoma 333 

 cidaria 334 

 belicina 332 

 optabilis 332, 333 



var. knechti 22, 23, 28, 42, 84, 332, 333 

 var. nodosa 19, 22, 42, 84, 332 

 parcipicta 84, 333 



var. pedroana 19, 22, 24, 28, 31, 42, 84, 

 333 

 pupilla 42, 52, 84, 333 



Margarita salmonea 333 

 Marginella 79, 221 

 globella 221 

 jewettii 19, 22, 24, 25, 28, 42, 79, 221 



(Volvarina) varia 222 

 Marginellidfe 79, 221 

 Mngatebennus bimaculatus 339 

 Megerlia Jeffreys! 93 

 MelampiuiB 78, 196 

 Melampus 78, 196 

 Melampus luteus 196 



olivaceus 19, 22, 24, 25, 28, 31, 42, 62, 78, 197 

 Melauia rufa 274 



sealaris 277 

 Mercenaria perlamhiosa 146 

 Meretrix callosa 145 

 Metis 75, 160 



alta IS, 23, 25, 27, 31, 36, 62, 75, 160 

 Mitra 79, 222 



episcopalis 222 



maura 22, 24, 25, 28, 42, 79, 222 

 Mitridse 79, 222 

 Mitromorpha 79, 223 



aspera 223, 224 



filosa 19, 42, 79, 223, 224 



gracilis 223 



intermedia 19, 42, 52, 79, 223 

 Modelia striata 303 

 Modiola fornicata 18, 31, 36, 52, 55, 120 



pulex 118 



recta 18, 23, 27, 31, 36, 62, 120 

 Modiolus 73, 120 



fornicatus 73, 120 



rectus 73, 120 

 McErella 75, 156 



salmonea 18, 36, 75, 157 

 MoUusca 72, 75, 76, 77, 78, 79, SO, 81, 82, 83, 84, 85, 95 

 Molluscoidea 71, 92 

 Monia 73, 116 



macroschisma 73, 116 

 Monoceros 80, 246 



brevidens 247 



engonatum 19, 22, 24, 25, 28, 31, 32, 42, 55, 56 

 62, SO, 246, 247 

 var. spiratum 247 



lapilloides 28, 42, 80, 246, 247 



lugubre 246 



punctatum 247 



unicarinatum, 246 

 Monodonta gallrna 326. 

 Monotremata 77, 194 

 Mopalia 85, 343 



blaiuvillei 343 



ciliata 28, 42, 85, 343 



musrosa 343 

 Mopaliidai 85, 343 

 Mouretia reticulata 197 

 Murex 80, 243 



adustus 243 



barbarensis 254 



