Helix. 
aculeata, 11. 
acuta, 9 
alba, 24. 
arbustorum, 12. 
aspersa, 12. 
auricularia, 21. 
candidula, 1x. 
Cantiana, 9. 
caperata, 1x., 9. 
cingenda, 13. 
cornea, 20. 
concinna, 10, 
costata, 11. 
depressa, 42. 
fontana, 25. 
ericetorum, 8. 
fossaria, 22, 
fulva, 7 
fusca, 10. 
hispida, 9, 10. 
hortensis, 12, 13. 
lapicida, 11. 
littorina, 48. 
lubrica, 17. 
nemoralis, 12. 
var. hybrida, 12. 
i emMajonela. 
55 minor, 12. 
nitens, 5. 
obscura, 13. 
octanfracta, 22. 
palustris, 22, 
pisana, 13. 
planata, 24. 
planorbis, 24. 
pulchella, 11. 
putris, 18. 
putris, 21. 
pygmea, 7. 
radiata, 8. 
rotundata, 8. 
rufescens, 10. 
rupestris, 7 
sericea, 10. 
spinulosa, 11. 
spirorbis, 24. 
stagnalis, 21. 
subcylindrica, 48. 
subulata, 52. 
tentaculata, 47. 
umbilicata, 7. 
virgata, 8. 
vivipara, 47. 
vortex, 24. 
Homalogyra, xvil., 42. 
atomus, xvil., 42, 
rota, xvil., 42. 
Homalogyride, xvii., 
42. 
i) 
a 
Hydrobia, xviii. 
similis, 46. 
Hygrophila, xi., 20. 
I 
Ianthinide, xx. 
Tanthinide, xx. 
nitens, Xx. 
rotundata, SeXs 
Illex, viii. 
Coindetii, Vill. 
Ischnochitonide, xxiv. 
Tsocardia, xxx. 
Jeffreysia, xvii. 
diaphana, xvil. 
globularis, xvi. 
opalina, xvi. 
Jeffreysiide, xvii. 
1K 
Kellia, xxix., 73. 
nitida, 74. 
suborbicularis, 73. 
rubra, 73. 
Kelliida, xxix., 73. 
Kelliellidee, xxvii., 
Kellyellide, xxvii. (bis.) 
Ske 
L. 
Lachesis, xiv., 54. 
minima, 34. 
Lacuna, xvii., 41. 
crassior, Xvii., 41. 
div aricata, XVii., 41. 
pallidula, xvii., 41. 
puteolus, xvil., 41. 
vincta, 41. 
Leevicardium, xxxi., 83. 
norvegicum, 83. 
Lamellaride, xix., 50. 
Lamellaria, xix,, 50. 
haliotidea, x1x., 50. 
perspicua, 50. 
membranaceus, xix. 
tentaculata, 50. 
