228 



CHECK LIST AND 



Lucina Californica, Conr. . . 178 



Nuttalli, Conr 179 



Lunatia Lewisii, Gld 45 



Luponia spadicea, Gray .... 59 



Lutricola alta, Conr 197 



Lyonsia Californica, Conr. .202 

 INIacoma inconspicua, Br. and 



Sby 195 



indentata, Cpr 195 



inqninata, Cpr 195 



nasuta, Conr 194 



secta, Conr 191 



Machaera patula, Dixon .... 201 



MacrocYclis Duranti, Newc.151 



Hemphilli, W. G. B . . 152 



sportella, Gld 151 



Vaucouverensis, Lea .152 



Voyaua, Newc 151 



Macron lividus, A. Ad 20 



Kellettii, A. Ad 21 



Mangelia angiilata, Cpr ... 55 



merita, Gld 55 



striosa, C. B. Ad 55 



Mangerella conspicua, Cpr. . 108 

 Margarita acuticostata, Cpr . 79 



helicina, Mont 79 



pupilla, Gld 78 



Margaritana margaritifera, 



Linn 176 



Marginella Jewettii, Cpr 43 



pyriformis, Cpr 43 



regularis, Cpr 43 



subtrigona, Cpr 43 



Martesia intercalata, Cpr. . . .211 

 Melanipus olivaceus, Cpr ... 124 

 Menetus opercularis, Gld ... 117 

 Mesalia tennisculpta, Cpr . . 73 

 Mesodon Columbianus, Lea . 145 



devius, Gld 145 



Microphysa Ingersolli, Bid . 146 

 Lansingi,Bld. and Bin. 146 



Milneria minima, Dall 169 



Miralda quinquecincta, Cpr. 52 



Mitra maura. Swains 42 



Mitromorpha aspera, Cpr. . . 55 



filosa, Cpr 55 



Modiola fornicata, Cpr 173 



Modiola modiolus, Linn .... 171 



recta, Conr 171 



Moera salmonea, Cpr 196 



Monoceros engonatum.Conr. 29 



lapilloides, Conr 28 



lugubris, Sby 30 



Mopalia ciliata, Sby 1 10 



Hindsii, Gray 112 



lignosa, Gld 109 



Wossnessenskii,Midd . 109 



Mumiola cincta, Cpr 54 



Murex trialatus, Sby 21 



Muricidea incisa, Brod 22 



Mya arenaria, Linn 206 ' 



Mytillimeria Nuttalli, Conr. 203 



Mytilus bifurcatus, Conr 173 



Californicus, Conr. ... 172 



edulis, Linn 173 



Myurella simplex, Cpr 56 



Nacella depicta, Gld 103 



incessa, Hds 103 



instabilis, Gld 103 



paleacea, Gld 104 



triangularis, Cpr 104 



Nassa Cooperi, Fbs 37 



fossata, Gld 36 



mendica, Gld 37 



perpinguis, Hds 38 



tegula, Rve 37 



Natica clausa, Brd and Sby . 46 

 Netastomella Darwinii, vSby 209 

 Neverita Recluziana, Petit . . 46 



Nuttalliana scabra, Rve 108 



Obeliscus variegatus, Cpr. . . 54 

 Ocinebra circumtexta, 



Stearns 24 



gracillima, Steans 24 



interfossa, Cpr 24 



lurida, Midd 23 



Poulsoni, Nutt 23 



Octopus punctatus, Gabb. • .215 



Odostomia Gouldii, Cpr 53 



gravida, Cpr 53 



inflata Cpr 53 



nuciformis, Cpr 53 



satura, Cpr 54 



CEdelina subdiaphana, Cpr. . 196 



