2 
Geomelania. 
Species fossilis : Acme constellata Reuss 1849. 
Species exclusa: Acicula striata Gray {Pfr. Pneum. II. 
p. 4) zz Truncatellae species? 
II. Geomelania Pfr. 
Pfr, Mon. Pneum. p. 7. Suppl. p. 5. - 
insulae Jamaicae incoiae. 
Species : 
Omnes species 
8. 
2. minor G. B. 
9. 
3. fortis 
10. 
4. magna 
11. 
5. procera 
12. 
6. gra c ilis 
13. 
7. typica 
14. 
8. expansa 
15. 
9. affinis 
16. 
10, media 
17. 
11. vicina 
18. 
12. Hilliana 
19. 
13. exilis 
20. 
14. pauperata 
21. 
15. c 0 ni c a 
22, 
16. pyr amidata 
23. 
17. costulos a 
24, 
18. striosa 
25. 
19. elegans 
26. 
20. in 0 mat a 
27. 
21. parva 
Pneum. 11. p, 5. 
- - 5. 
C. B. Adams, f 
j Chitty. t 
Geom. Greyana » 
— Beardsleana | 
— pygmaea » 
— sinuosa Chitty = Chittya Livesay. 
Species exclusae: 
C. B. Adams = Truncatella sp. 
III. Chittya Livesay, 
„Testa imperforata, conico-cylindrica; apertura ovata, 
mediocriter efFusa; peristoma incrassatum, acute reflexum, non 
productum, sinu lateris interioris prope axin munitum.^ (Ad.) 
Chittia novum genus Truncatellidarum : Livesay in H. ^ A. Adams 
Gen. II. (Pt. 35. 1858.) p. 647. t. 138. f. 14. 
