294 MARINE SHELLS OF 
magdalenensis (Acteocina) 
magnus (Ancistrolepis) .. 
major (Buccinum) . 
major (Columbella) . 
malleatus (Beringius) .... 
Mangilia. 
Marginclla. 
Marginellidae . 
marmoreus (Conus) . 
marshalli (Beringius) .... 
martensi (Colus) . 
maurellei (Lora) . 
Melampus .. 
melonis (Volutopsius) . 
membranacium (Doridium) 
mendicus (Alectrion). 
mercatoria (Columbella) .. 
merita (Cytharella) . 
metschigmensis (Lora) .... 
Metzgeria . 
mexicana (Olivella) . 
Microfusus . 
Microglyphis. 
microsoma (Admete) . 
middendorffiana (Admete) . 
middendorffii (Volutopsius) 
minor (Cystiscus) . 
minuta (Diaphana) . 
miona (Lora) . 
Mitra . 
mitrata (Lora) . 
Mitridae. 
Mitromorpha . 
modesta (Cancellaria) . 
morchi (Lora) . 
morchi (Taranis) . 
morchianum (Buccinum) .. 
moesta (Pseudomelatoma) . 
Mohnia. 
mohnii (Fusus) . 
Moniliopsis . 
monterealis (Lora) . 
montereyensis (Crassispira) . 
montereyensis (Mitra) . 
morditus (Colus) . 
mouretia . 
murdochiana (Lora) . 
myrmecoon (Aesopus) . 
COAST OF NORTH AMERICA 
PAGE 
myrmecoon (Marginella) . 165 
Nassa . 263 
nassula (Liomesus) . 197 
naucum (Atys) . 35 
Navanax . 49 
nazanensis (Lora) . 112 
Neaplysia. 50 
neohexagonum (Dentalium) . 9 
newcombei (Mangilia) . 141 
nicoli (Borsonella) . 95 
nitida (Columbella) . 276 
Nitidella . 276 
nobilis (Colus) . 213 
nobilis (Lora) . 109 
nodicinctus (Alectrion) .268 
noduliferus (Alectrion) .268 
nodulosa (Lora) . 121 
nonscripta (Atys) . 36 
normale (Buccinum) .255 
novaiasemliensis (Lora) . Ill 
nubeculata (Marginella) . 163 
nuceus (Chrysodomus) . 230 
nucleola (Cylichnella) . 39 
numerosum (Dentalium) . 12 
nunivakensis (Mangilia) . 133 
nux (Liomesus) .. 199 
nychia (Borsonella) . 94 
obsoletus (Alectrion) .269 
obtusa (Retusa) . 32 
occidentals (Cavolina) . 19 
occidentals (Clio) . 20 
occidentalis (Ptychatractus) . 175 
occulta (Cylichnella) . 39 
oceanodromae (Plicifusus) . 209 
ocelliger (Aglaja) . 47 
ochotense (Buccinum) . 251 
oedematum (Buccinum) .242 
oenoa (Mangilia) . 138 
oerstedtii (Dentalium) . 12 
oldroydi (Acteocina) . 28 
olgae (Haminoea) . 42 
olivaceus (Melampus) . 54 
Olivella . 160 
Olividae . 160 
ombronius (Colus) .214 
omphale (Borsonella) . 90 
Onchidiidae. 59 
oncodes (Chrysodomus) . 229 
WEST 
PAGE 
31 
. 203 
. 245 
. 272 
. 195 
. 132 
. 163 
. 163 
. 61 
. 196 
. 222 
. 99 
. 54 
. 186 
. 46 
. 265 
. 271 
. 147 
. 110 
. 181 
. 163 
. 210 
. 26 
. 157 
156 
, 188 
166 
36 
102 
169 
119 
169 
173 
154 
112 
151 
258 
75 
199 
199 
72 
114 
77 
171 
219 
56 
119 
279 
[ 294 ] 
