12 AMPULLARIIDA. 
34. Ampullaria (Pomus) sordida. 
Ampullaria sordida, Swainson, Zool. Ill. I, Vol. IIT, 1822, pl. 142; Reeve, 
Icon. fig. 72, R. Plata. 
2 South America; ex c. G. Nevill, Esq. 
35. Ampullaria (Pomus) sealaris. 
Ampullaria scalaris, d’Orbigny, Voy. Amér. Mérid. 1839, pl. 50, fig. 1—3. 
3 Bolivia; ex c. Prof, E. C. Stearns (as “4. eanalis, Orb.”). 
36. Ampullaria (Pomus) nubila. 
Ampullaria nubila, Reeve, Icon. 1856, fig. 65, Rv. Solomoens. 
1 South America; exc. G. Nevill, Esq. (33, 27). 
37. Ampullaria (Pomus) erronea.- 
Ampullaria erronea, G'. Nevill, Cat. Moll. Fasc. FE, 1877; Reeve, figs. 90 
§ 91, as “ A. aperta” [not of Phitl.]. 
1 South America [typel; ex c. G. Nevill, Esq. 
38. Ampullaria (Pomus) glauca. 
Helix glauca, Linneus, Mus. Ulr. 1764, p. 667; Conch.—Cab, II, pl. XII, 
Jig. 4. 
83 South America; ex c. As. Soc., Bengal, and G. Nevill, Esq. 
var. guianensis. 
Ampullaria guyanensis, Lamarck, Hist. an. s. Vert. VI, 1822, “la Guyane ;”? 
Reeve, fig. 85. 
1 British guiana; exc. A. Morelet, Esq. (as “A. guianensis”). 
var. crocostoma. 
Ampullaria crocostoma, Philippi, Conch—Cab. II, 1851, pl. 12, Jig. 3, 
Caracas ; distinct species fide Martens. 
2 Caracas; ex c. A. Morelet, Esq. (as “A. effusa ”). 
39. Ampullaria (Pomus) geveana. 
Ampullaria geveanensis, Deshayes, Lam. Hist. VIII, 1838, p. 541, Loc.?; 
emend. Phil,, Conch.— Cab. II, 1851, pl. VIL, fig. 7. 
1 South America; ex c. G. Nevill, Esq. 
