Glottidea 
albida 
Glycimeris 
generosa 
Glycymeris 
intermedia 
Glyptostoma 
newberryanum . 
Glyphis 
aspera 
densiclathrata .. 
Gonidea 
angulata 
Goniobasis 
acutifilosa 
loulloyore: 6 onde coe 
circumlineata 
draytonii 
nigrina 
OCCAata, Fas. see 
NGHOSRY Sa50co6 
rubiginosa ..... 
Gundlachia 
californica 
Gyrinium 
californicum ... 
Gyraulus 
WEINWIS GAaeoda ol 
vermicularis 
Haliotis 
assimilis 
COPpnucatays 5 - 
cracherodii 
fulgens ... ace 
gigantea 
rufescens 
splendens 
walallensis 
Halistylus 
pupoides 
Haminea 
vesicula 
virescens 
Helicodiscus ..... 
Helisoma 
ammon .. 
bicarinatus 
trivolvis 
Helix 
aspersa 
asteriscus 
Hemithrys 
psittacea 
Hemphillia 
glandulosa 
Heterodonax ..... 
bimaculatus .... 
Hinnites 
giganteus 
Hipponyx 
antiquatus 
tumens 
Holospira 
arizonensis 
fanthinas.ce nsec 
trifida 
Ischnochiton ..... 
conspicuus 
magdalenensis 
mertensil 
regularis 
Janthina 
Sj @ L010 a) 0):0) jee) <s\,0 
Katherina 
tunicata 
Kellia 
laperousii 
suborbicularis .. 
Kennerlia 
Labiosa 
undulata 
ILAYEEIOR, sos Aa aeone 
porrecta 
solidula 
unifasciata 
variegata 
amellaniaes ae 
diegoensis 
stearnsii 
patelloidea ..... 
Laqueus 
californicus .... 
jeffreysii 
Lasea 
Leda 
taphria 
lsehatehel sooodooe 
Lepidopleurus .... 
internexus ..... 
Weptonyxecryes rt 
DExcebleh Soecn cnc 
sanguineus 
Leptothyra . 
baccula 
carpenteri 
Lima 
8) 0) 9) ev ei 
dehiscens ...... 
orientalis 
Limatula 
Limax 
agrestis 
campestris ..... 
hewstoni 
maximus 
montanus . 
Limnaea 
adalinae 
kirtlandiana .... 
palustris 
PUShLyio. ncsceec 
stagnalis 
Limnophysa 
caperata 
proxima 
reflexa 
ebanlopKOKe) ono oood 
Limopsis 
vaginata 
Leingulareeeec 
albida 
Iéi@cyina peer 
scammoni . 
viridis 
letOmestSueneaee 
canaliculata 
nux 
Liotia 
acuticostata .... 
fenestrata ...... 
