1, 2. Varieties of Helix hortensis. 5. Limax maximus. 10. Helix pomatia. 18. Cyclostoma clegans. 



3. Agriolimax agrestis. 6, 7. Helix nemoralis. 11, 12. Clausilia ventricosa. 14, 15. Varieties of Arion emplricorum. 



4. Bulinrinus moutanus. 8, 9. Helix personata. 



