Ad We INDEX. 
CycLostoma elegans, 137,v,10| HELIx rufescens, 77, 11, 5. 
rupestris, 55, 1V, I. 
DREISSENSIA : é 
terrestris, 90; %va00; 
olymorpha, 160, vill, 3. le 
ee ge and virgata, 86, 11,12: 
(GEOMALACUS maculosus, Hyatinia alliaria, 49, ii, 6. 
Re. hs tS. cellaria, 46, 11, 5. 
30 ‘rystg j a, 52 1] 2, 
HELIx aculeata, 57, ii, 15. crystallina, 52, 11, 13 
“xcavata,5A, tba gs 
ACULAs Oil, IV, 7 excavata, 54, H, I 
es = 8 = oe ‘ 
arbustorum, 73, 11, 18. fulva, 52, 1., 14. 
aspersa, 62, ili, 2. helvetica, 47, 1, 7. 
. ves lucida. 4: 
cantiana, 75, lll, 3. » 45 
caperata, 85, ili, 13: nitida, 53, 1, 11. 
: eee tH =O 
cartusiana, 76, ill, 4. nitidula, 49, 1, 8. 
fUSCA, OT, Il, To. pura, 51, 1, 9. 
eranulata, 8o, iii, 8. radiatula, 50, 11, 10. 
hispida, 78, 11, 6, 7. Hypropia (see Paludestrina). 
hortensis, 71, 11, 19. 
+ LIMAX cinereo-niger, 34. 
iiala, 83. ii, 14. CIEL EOS) ias 
lamellata, 56, ii, 16. flavus, 35, 1, 7. 
. . marginatus, 36)'1, 3: 
lapicida, 58, 1v, 4. 5 aa 
: ss Maximus, 3351570; 
nemoralis, 64, 11, 17. 
obvoluta, 59, 1V, 5. LIMNAA 
pisaha, 2; ill, 11. auricularia, 131, Vil, 4. 
pomatia, 59, 111, I. glabra, 134, vu, 8. 
pulchella, 57, 1V, 3. involuta, 127, vil, 2. 
pygmeea, 56, Iv, 2. palustris, 133, vii, 6. 
revelata, 81, 111, 9. peregta, 127, vil, a: 
rotundata, 54, 11, 15. stagnalis, 132, Vil, 5. 
