ACERA, 
bullata, - 
ACLIS, - 
nitidissima, 
supranitida, 
unica, - 
Acmea fulva, 
testudinalis, 
virgined, 
ACTHON, - 
bidentatus, 
tornatilis, 
ADEORBIS, - 
subcarinatus, - 
ANGIRUS, - 
punctilucens, 
Akera bullata, 
Jlexilis, - 
Alvania Cranchiana, 
rufilabrum, 
supranitida, 
Amphidesma album, 
corbuloides, 
distortum, 
phaseolina, 
preetenue, 
prismatica, 
truncatum, 
Amphisphyra hyalina, 
pellucida, 
Anatina brevirostris, 
myalis, - 
pretenuis, 
villosiuscula, 
ANCULA, - 
cristata, - 
d Beads pd ep. Oe 
ANOMIA, - - 
aculeata, 
caput-serpentis, 
cylindrica, - 
electrica, - 
ephippium, = - 
patelliformis, - 
retusa, - 
squamula, — - 
striata, - 
undulata, 
APLYSIA, - - 
hybrida, - - 
punctata, - 
APORRHAiIS, 
pes-pelecani, 
quadrifidus, - 
ARCA, - - 
barbata, - - 
caudata, 
erinita, - - 
lactea, - - 
margaritacea, - 
minuta, - - 
nucleus, - 
perforans, - 
pilosa, - - 
tenuis, - - 
tetragona, 
Arcopagia crassa, 
ovata, - - 
Artemis exoleta, - 
lincta, . - 
undata, - 
ASTARTE, - - 
arctica, - - 
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