THE BRITISH FAUNA. 
295 
29. Cyclostoma sulcatum. Drap. 33. t. 13. f. 1. Inhab. 
Provence, South Italy, and Sicily. 
30. Yalvata minutao Drap. 12. t. 1. f. 36, 37, 38. Inhab. 
France. 
31. Yalvata spirorbis. Drap. 4:1. t. l.f.32,33. Inhab. France. 
32. Unio Batava, t. 2. f. 10. 
33. Unio ovalis, t. 2. f. 12. 
34. Cyclas lacustris. Drap. 130. t. 10. f. 6, 7. ; Turton, 
Man. ed. 1. 14. t. 1. f. 4. Inhab. France. 
The following introduced species are only found in tropical 
climates : — 
1. Achatina octona, t. 6. f. 72. Inhab. the West Indies, 
St. Yincent’s. (Dr. Turton.) 
2. Bulimus exilis, t. 9. f. 109. Inhab. West Indies, St. 
Yincent’s. (Rev. L. Guilding.) 
3. Bulimus fragilis. Lam. Hist. vi. ed. 2. 231. Inhab. 
Brazil. 
4. Bulimulus fuscus. Guilding., Zool. Journ. iv. 176. Inhab. 
West Indies, St. Yincent’s. (Rev. L. Guilding.) 
5. Bulimus cylindrus. Gray., Ann. Phil. 14. f. 68. Inhab. 
West Indies, Island of Tortula. (Rev. L. Guilding.) 
6. Conovulus coJBfee. 
In Montagu’s collection in the British Museum, mixed with 
Valuta hullceoides. 
7. Detracia bullmoides. Gray. Inhab. West Indies, St. Yin- 
cent’s. (Guilding.) 
8. Tralia pusilla. Gray. — Yoluta triplicata. Donovan., B. 
S. t. 138. Inhab. West Indies. 
9. Aplexus rivalis, t. 9. f. 112. Maton and Packet., L. Trans. 
xiii. 126. t. 4. f. 2. Inhab. West Indies, St. Yincent’s. (Rev. 
L. Guilding.) 
10. Neritina virginea. {fig- 71.) Lamarck., Fig. 12 . 
n. 18. Inhab. West Indies and 1ST. America. 
11. Truncatella subcylindrica. {fig. 72.) 
Inhab. West Indies. 
u 4 
