Helix. 
aculeata, 11. 
alba, 24. 
arbustorum, 12. 
aspersa, 12. 
auricularia, 21. 
candidula, ix. 
Cantiana, 9. 
caperata, ix., 9. 
cingenda, 13. 
cornea, 20. 
concinna, 10. 
costata, 11. 
depressa, 42. 
fontana, 23. 
ericetorum, 8. 
fossaria, 22. 
fulva, 7. 
fusca, 10. 
hispida, 9, 10. 
alice a 12, 13. 
lapicida, 11 
littorina, 48. 
lubrica, 17. 
nemoralis, 12. 
var. hybrida, 12. 
3» major, 12. 
5 minor, 12. 
nitens, 5. 
obscura, 13. 
octanfracta, 22. 
palustris, 22. 
pisana, 13. 
planata, 24. 
Sion 24. 
pulchella, 11. 
putris, 18. 
putris, 21. 
pygmea, 7 
adiata, 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, xvii., 42. 
atomus, | xvil. 5 42, 
rota, xvii., 42. 
Homalogyride, xvii. 42. 
9 
= 
Hydrobia, xviii. 
similis, 46. 
Hygrophila, xi., 20. 
I. 
Ianthinide, xx. 
Janthinide, xx. 
nitens, xx. 
rotundata, xx. 
Illex, viii. 
Coindetii, viii. 
Ischnochitonide, xxiv. 
Isocardia, xxx. 
Jeffreysia, xvii. 
diaphana, xvil. 
globularis, xvit. 
opalina, xvii. 
Jeffreysiide, xvii. 
K. 
Kellia, xxix., 73. 
nitida, 74. 
suborbicularis, 73. 
rubra, 73. 
Kelliida, xxix., 73. 
Kelliellide, xxvii., xxx., 7. 
Kellyellide, xxvii. (bis.) 
L. 
Lachesis, xiv., 34. 
minima, 34. 
Lacuna, xvii., 41. 
crassior, xvil., 41. 
divaricata, xvii. wy Ala 
pallidula, xvii., 41. 
puteolus, xvii., 41. 
vincta, 41 
Levicardium, xxxi., 83. 
norvegicum, 83. 
Lamellarida, xix., 50. 
Lamellaria, xix,, 50. 
haliotidea, xix., 50 
perspicua, 50. 
membranaceus, xix, 
tentaculata, 50. 
