356 
Lithophagus ..... 278 
plumula 5 3) 
Wittorinay jase.) 336 
ALE CAN eet 217 
atkana 217 
planaxis J3...5.216 
TUGISas)) el 
scutulata 216 
eo titay ese eae 235 
oivantead eer 235 
icapina sees nes40 
crenulata 260 
Lucapinella ......347 
callomarginata .261 
IDGGhie ls Gouane od ac 56 
californica 56 
IL{OMRNGEL 4 oadcoced 341 
IEPA Gna oogcbe 227 
ILO, ociaocecce 208 
spadicea .......208 
Lutricola . 85 
EIAs pica eae 85 
Lyonsia .204 
californica. .- 2. 99 
Lyonsella .204 
alaskana 100 
Machaera S50 Of 
Pattilal wees se O2 
Macomatnyeet. 1-289 
balthicageerenen es - 84 
inconspicua .... 84 
indentata . 85 
inflatula . &4 
InTquimatae eee 84 
MASI So uoaccac 83 
SeGta,, waiters 84 
SHAW Lososae 84 
Macrocyclis) 4.5 455 L160 
Sportella see 116 
voyana .116 
Macron« i 4c 25 
Kellettity - tn emer 180 
INNES): soonoc0c 179 
Macrophalina ....351 
californica, 244.351 
Miactiaes eee 292 
californica)... 05 
dolabriformis .. 95 
ARISEN, Soegooes 95 
INDEX 
Malletia 
faba 
Mangilia 
merita 
variegata 
Marcia 
kennerleyi 
subdiaphana 
Margarita 
helicinasee aa 
Lietlarcal ene saree 
pupillayeseeeece 
Margaritana 
falcata : 
margaratifera .. 
Margarites 
vorticiferus .... 
Manrginelilay eas. 
jewettii 
varia 
Martesia 
intercallata . 
Megatebennus .... 
bimaculatus’ ].. 
Melampus 
olivaceus 
Mesodon 
columbianus 
devius 
Metis 
alta 
Metzgeria 
Mineral eae a.cnee 
OMIM: oo boone 
Miodon 
Miralda 
Mitra 
maura 
Mitromorpha 
aspera 
MMOS, oda oc oon 
Modiolania scree: 
(ANALG | no Goa oe 
vernicosa 
Modiolus 
capax 
fornicatus 
flabellus 
modiolus 
rectus 
plicatulus. 2225: 
Moera 
salmonea 
Mohnia 
Molleria 
Monia 
macroschisma .. 
Monoceros 
engonatum 
lapilloides 
lugubre 
Mopalia 
ciliata 
hindsii 
lignosa : 
TMCS COSA 
wosnessenskil .. 
Mumiola 
Murex 
Canpentent erie 
circumtexta .... 
festivus 
WOMENS Sos occac 
incisus 
nuttallit 
Detrl sia ca ae 
WOVEN Goccso- 
Muricidea 
incisa 
Mya 
aLenaniane eee 
hemphilli 
truncata 
Mysella 
aleutica 
Mytilimeria ...... 
nuttalli 
Mytilus 
bifurcatus 
californianus 
edulis 
glomeratus 
Stieagin Sie 
Myurella 
simplex 
INEWCCIIEY oo 55556560 
depicta 
instabilis 
paleaca 
