Helicina constricta, Pf., 94 
fulgora, G., 97, 98, 99 
laciniosa, Mighels, 98, 99 
maugeriw, Gray (an.), 95 
musiva, G., 98 
miniata, Less., 97 
multicolor, G., 100 
oxystoma, Gray, 97 
pallida, G., 96 
rupestris, Pf., 100 
similis, Sowb., 96 
trochlea, G., 99 
uberta, G., 94 
Helix acies, Fer., 58 
albolabris, Say, 65 
alpina, 37 
alternata, Say, 37 
auris leporis, Fer., 78 
badia, 65 
bursatella, G., 50, 55 
Bushyi, Gray, 215 
Californianus, Lea, 65 
calculosa, G., 48 
calva, G., 32 
chersina, 8., 48 
cicercula, G., 43, 45, 47 
coarctata, Pf., 53 
columbiana, Lea, 68 
concava, Binney, 36 
concava, Say, 37, 38, 39 
contorta, Fer., 55, 56 
contundata, Fer., 71 
contusa, Fer., 71 
costellata, D’Orb., 40 
cressida, G., 57, 61 
cryptoportica, G., 44 
cubensis, Pf., 34 
cultrata, G., 46 
dedalea, G., 54, 56 
devia, G., 69 
dissimilis, D’Orb., 42 
electrina, G., 41, 46 
elegans, 61 
Eurydice, G., 60, 61 
exequata, G., 47 
Jidelis, Gray, 66 
fornicata, G., 50 
furva, Lowe, 12 
germana, G., 70 
gulosa, G., 64, 65 
gradata, G., 49 
hirsuta, Say, 71 
INDEX. 
503 
Helix hystrix, Migh., 55° 


indentata, S., 47, 50 
inflecta, S., 69 
intaminata, G., 35 
interna, Say, 46, 47 
intorta, 35 
irradiata, G., 34 
wrregularis, 30 
Jacquinoti, 53 
labiosa, G., 67 
loricata, G., 68 
lucida, 43 
lucubrata, Say, 33 
lurida, G., 31, 32 
lychnuchus, 32 
lyrata, C., 39, 43 
marginata, Mull., 61, 62 
monodon, Rackett, 71 
morandi, 32 
nitidiuscula, Sowb., 64 
Nouleti, Le Guil., 30 
Nuttalliana, Lea (an.), 66 
obolus, G., 53 
olivetorum, 33 
palhata, S., 68, 71 
pauxillus, G., 40 
pedestris, G., 65 
pertenuis, G., 45 
planorboides, Less., 59, 61 
pusillus, G., 39, 41 
pyramdata, 63 
radvata, 51 
rubiginosa, G., 50 
rubricata, G., 30, 31 
rufa, Less., 59 
ruida, G., 65 
rupestris, 40 
saxatilis, 40 
Schmidtu, 37 
scorpio, G., 33 
seligera, G., 55 
solarium, Q., 59, 61 
spirillus, G., 38, 41 
sportella, G., 37 
stellula, G., 56 
striata, Drap., 42 
striatella, Anth., 49, 51 
strigosa, G., 36 
subrutila, Migh., 44, 45 
subtilissima, G., 48 
tentoriolum, G., 63 
tigrina, 37 
