EXPLANATION OP PLATES. 341 



Plate V. 



Figure 1. Anon ater, showing the tentacles, eyes, shield, position 

 of the respiratory opening, and slime-gland at the tail. 

 2. Same at rest. 



3. Geomalacus maculosus (from Brit. Moll. pi. F.F.F* f. 5). 



4. Limax maximus, showing the position of the respiratory 



opening. 5. Shell or Limacella. 



6. Testacella Haliotidea, showing the labial palps (below the 



tentacles) and the position of the shell. 7. Shell. 

 8. Egg. 



Plate VI. 



Figure 1. Succinea putris. 2. Shell. 

 3. Vitrina pelliicida. 4. Shell. 



5. Zonites cellarius. 6. Shell. 



7. Helix aspersa. 8. Shell. 



Plate VII. 



Figure 1. Bulimus aeidus. 2. Shell of var. injlata. 



3. Pupa unibilicata. 4. Shell. 5. Natural size. 



6. Vertigo pyg^ncea, showing the two tentacles. 7. Shell. 



8. Natural size. 

 9. Balia perversa. 10. Shell. 11. Natiu-al size. 

 12. Clausilia laminata. 13. Shell. 14. Clausilium. 

 15. Cochlicopa luhrica. 16. Shell. 17. Natural size. 

 18. Achatina acicula. 19. Head and tentacles. 20. Shell. 



21. Natural size. 



Plate VIII. 



Figure 1. Carychium minimum, showing the position of the eyes. 

 2. Shell. 3. Natural size. 

 4. Cyclostoma elegans, showing the snout and position of the 



eyes. 5. Shell. 6. Operculum. 

 7. Actne litieata, showing the position of the tentacles and 

 eyes. 8, 9. Shell. 10. Natural size. 11. Operculum 

 magnified. 



THE END. 



