CLASSIFICATION OF THE ACHATINIDJE 



With references to the volume and page where each group is 



described. 

 Subfamily ACHATININ^E (xvii, p. vii). 



Pseudachatina, xvi, 205. 

 Columna, xvii, 120. 

 Archaehatina, xvii, 104. 

 Metachatina, xvi, 307. 

 Cochlitoma, xvii, 76. 

 Achatina, xvii, 1. 



S. g. Leptocala, xvii, 72. 



Sect. Leptocallista, xvii, 75. 



Subfamily STENOGYRINJE (xviii, p. vii). 

 (Subulina phylum.) 



Burtoa, xvi, 298. 

 Limicolaria, xvi, 246. 

 Atopocochlis, xvi, 218. 

 Pseudotrochus, xvi, 219. 

 Perideriopsis, xvi, 241. 

 ? 'Callistoplepa, xvii, 125. 



Chilonopsis, xvii, 171. 



S. g. Cleostyla, xvii, 179. 

 Bocageia, xvii, 191. 



S. g. Petriola, xvii, 216, 182. 

 ? Luntia, xviii, 218. 

 ? Tornaxis, xvii, 219. 



Subulina, xviii, 71, 220. 



Sect. Nothapalus, xviii, 96. 

 Ceras, xviii, 155. 

 Homorus, xvii, 130. 



'S. g. Subulona, xvii, 138. 

 Bacillum, xviii, 1. 

 Pseudoglessula, xvii, 156. 



(Leptinaria phylum.) 

 Leptinaria, xviii, 284. Ochroderma, xviii, 325. 



Svct.Neosubulina, xviii, 322. S. g. Ochrodermella, xviii, 



S. g. Ischnocion, xviii, 324. 327. 



S. g. Pelatrinia, xviii, 324. 



(Opeas phylum.) 



Hypolysia, xviii, 37. Pseudopeas, xviii, 114, 216. 



Curvella, xviii, 46. Sect. Eremopeas, xviii, 120. 



Opeas, xviii, 122. Prosopeas, xviii, 14. 



Sect. Tomopeas, xviii, 123. S. g. Paropeas, xviii, 14. 



? Plicaxis, xviii, 12. 

 ? Perrieria, xviii, 36. 



iSect. Comoropeas, xviii, 123. 

 Tristania, xviii, 217. 



(Rumina phylum.) 



Clavator, xvii, 192. Rumina, xvii, 211. 



Riebeckia, xvii, 204. Zootecus, xviii, 104. 



(v) 



