336 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
PAGE 
lividus (Ischnochiton) .274 
lobium (Barsiliochiton) .302 
lomaense (Bittium). 34 
lomana (Trichotropis) . 43 
longicymba (Chiton) .267 
longifissa (Puncturella) .242 
Lottia . 159 
lowei (Lepidochitona) .261 
lowei (Mopalia) .310 
Lucapinella . 244 
lurida (Leptothyra) . 167 
lurida (Phasianella) . 163 
Hindus (Lcpidopleurus) .249 
lycurgus (Lcpidopleurus) . 248 
Machaeroplax . 197 
macrophragma (Petaloconchus) .... 51 
maculatum (Solariclla) . 195 
magdalenensis (Ischnochiton) .269 
magus (Gibbula) . 215 
major (Puncturella) . 242 
major (Tachyrhynchus) . 56 
Margarites . 199 
Margaritopsis. 215 
marginatus (Margarites) .213 
mariana (Tegula) . 182 
mariana (Turritella) . 54 
marmarata (Lacuna) . 67 
marmoratus (Ischnochiton) .270 
marmorea (Diala) . 78 
marmorea (Lepidochitona) .254 
Marsenina . 137 
martyni (Cingula) . 79 
Megalomphalus . 134 
Megatebennus .243 
Megathura. 242 
Melarhaphe . 62 
mertensii (Ischnochiton) .280 
mesogonus (Lepidopleurus) .250 
Micranellum . 44 
minor (Haloconcha) . 68 
mirabilis (Callistochiton) .292 
miranda (Cyclostrema) .221 
mitra (Acmaea) . 144 
Molleria. 171 
montereyense (Bittium) . 19 
montereyensis (Alvania) . 93 
montereyensis (Astraea ). 165 
montereyensis (Cingula) . 81 
montereyensis (Petaloconchus) .... 53 
PAGE 
montereyi (Tegula) . 177 
monteronus (Polinices) . 125 
Mopalia . 300 
Mopaliidae . 300 
morchii (Acmaea) . 153 
multicolor (Schizoplax) .265 
multifilosa (Tegula) . 175 
multifilosum (Bittium) . 22 
multistriata (Puncturella) .241 
munitoide (Bittium) . 34 
munitum (Bittium) . 33 
murina (Diadora) .237 
muscosa (Mopalia) .303 
nacelloides (Acmaea) . 149 
nanus (Polinices) . 130 
Natica . 122 
naticarum (Crepidula) . 118 
Naticidae . 122 
nebulosum (Calliostoma) . 185 
neritoides (Sigaretus) . 130 
Neverita .. 129 
newcombei (Rissoina) . 108 
newcombi (Ischnochiton) .278 
newcombiana (Littorina) . 62 
nexus (Lepidopleurus) .251 
nivea (Crepidula) . 121 
noachina (Rimula) .240 
nodulosa (Turritella) . 55 
Nodulus . 82 
Norrisia. 172 
norrisiarum (Crepidula) . 117 
norrisii (Norrisia) . 172 
nuda (Solariella) . 197 
nummaria (Crepidula) . 120 
nuttalli (Lepidochitona) .261 
Nuttallina .263 
obscura (Solariella) . 198 
obsoleta (Margarites) .208 
obtusa (Iselica) . 71 
occidentale (Fartulum) . 47 
occidental is (Alabina) . 16 
ochracea (Acmaea) . 149 
octoradiata (Emarginula) .238 
oldroydae (Alvania) . 98 
oldroydae (Diastoma) . 979 
oldroydi (Barleeia) . 77 
oldroydi (Bittium) . 35 
oldroydi (Lepidopleurus) .248 
oldroydi (Vitrinella) .216 
[ 938 ] 
