IN Dns 
Nore—For additional species and varieties consult the foregoing List. 
Acanthochites ... 
Acmaea 
ASMA heres eeee 
depicta 
incessa 
instabilis 
mitra 
®) lle) eiejle| eee e 
eee ween e 
ee 
Scares cit 
spectrum 
triangularis .... 
Acroluxus 
nuttallii 
Actaeon 
painei 
punctocelatus... 
Admete 
JN es ie eda neces 
falcata 
Stylimays qiscaieet: 
Agriolimax 
Alexia eas cue 
myosotis 
Alvania 
Amalthea ........ 
antiquata 
cranioides 
tumens 
Amiantis 
callosa 
eis ae © si-s 
apaxeraltetelcls\s 
Ce 
ee ee esee 
eee e ee 
0) 'e eletee 
| (eee) eho ere 
Ce er 
eee eee eee 
purpurea 
(NTEWEY soodoance 
pallassii 
Amnicola 
eee ee ee 
Amphissa ....... 327 
bicolor . 189 
Connugatay. sce 188 
versicolor .188 
Titadataye epee 189 
Amilusium’ = 2.5.5 38 
CAlinintime eee 38 
AnachiS; ee eee 327 
Anadenus, <2... .- 301 
Anaplocampus 5335 
DyorReUbIS, Sogoncac 213 
PNMABIEES: Gogodoon. 316 
BPA 6oogs uc 155 
subrotundus .155 
ANVCADIIES) oacnoeoe - 80 
SOU item eee 81 
OGIO 65555507 80 
variegatus ..... 80 
Anodonta i.) sense 2757, 
beringiana ..... 29 
dejectam. o2..s60. 28 
californiensis ... 28 
kennerleyi ..... 28 
nuttalliana sae 26 
oregonensis ..... 28 
wahlamatensis . 27 
purpurea 229 
Aphallarion ...... 301 
DUttOniquss acne 121 
Aplexiay onisscsonr 315 
hypnorum ..... 152 
RMON soaccoo0c 152 
AT. Cac eee ie eee 276 
multicostata .... 23 
mitttabilisy see e- 23 
reticulata ...... 23 
ATgonatitaleeees ses 350 
Pacifica ss a-e en 271 
Anviolimaxcssceeee 301 
californicus ....121 
columbianus ...121 
hemphilli ...... 121 
NGET» Sars ones 121 
stramineus ..... 121 
‘Arion’ oR aes 301 
Ashmunella ..... 307 
ASHMAN) yeeieiee I4I 
hyporhyssa 141 
levettei” ssn else 
pseudodonta ...I41 
GhHySSa 2a -s eee 141 
townsendi ..... 351 
walkers. se eee 351 
AISSiMmInlGaecieenieren 330 
Astartel ce ceneeee 281 
alaskensis ..... 49 
esquimaltt, 4-.5e 50 
POlaLISy nese mae 49 
vernicosa ...... 50 
AStyriSe oi. canons 186 
gausapata ...... 186 
Atrina= eee eee 277 
oldroydii, «<tc 30 
INSGEBIEY agnicoes occ 277 
ASxiN@al «cr ceo eed. 
intermedia ..... 24 
AXINOPSIS “Gemaece 283 
SELICattisy= are 55 
Viti disimereeeee 55 
Barbatiaueereeere 276 
iBarleciameneeecree 338 
Belat 4 ccsteer 319, 160 
Beringius saesseer 324 
crebricostatus ..175 
frielel sts eee 175 
kennicottii ..... 17 
