46 PULMONATA. 



acute above, retreating much below on both sides ; columella 

 subspiral, distinctly tnmcated in a young shell, indistinctly so in 

 an old one, with the edge somewhat dilated, so as to resemble a 

 Spiraxis. Length 0-35, breadth 0-06 inch. (Adams.) 



Achatina osculans, Adams, Contrib. to Conch, no. 7. P- 104. 



Pfr. Mon. SuppL 503. 

 Hab. Jamaica. 



*** European and African. 



91. Oleacixa cerea. 



Shell 6l3long-turreted, thin, minutely and regularly striated, 

 shining, pellucid, pale wax-coloured ; spire rectilinear, with the 

 apex blunt ; suture moderate, minutely crenulated ; ^vhorls eight, 

 scarcely convex, the last forming a little more than one-fourth 

 of the total length, slightly angulated below the middle ; colu- 

 mella cun'ed, abruptly truncated ; apertiu-e oblique, oblong ; pe- 

 ristome simple, straight, with the right margin shghtly arcuate. 

 Length 14, breadth 4f mill. [Pfr.) 



Achatina cerea, Pfr. in Proc. Zool. Sac. LS52, p. ; 7c. n. 67. 

 Bui. t. 37. f. 5-7 ; Mon. Suppl. 501. 



Hab. Fernando Po (Fraser). 



92. Oleacina oryza. 



Differs from O. triticea, Lowe, by the aperture being longer 

 than the spire, by the plait on the body of the penult whorl 

 wanting or very indistinct, and the columellar plait absolutely 

 wanting {Lowe). 



Helix triticea /3. edentula, Lowe, Prim. 61. t. 6. f. 26. 

 Achatina oryza (Fusillus), Lowe in Ann. ^ Mag. 2nd ser. ix. 120. 

 n. 45 ; Synojis. Diagn. 10. 

 Pfr. Mon. Suppl. 509. 

 Hab. Poi'to Sancto. 



93. Oleacina terebella. 



Shell ovate-oblong, rather solid, smooth, whitish hom-co- 

 lom-ed ; spii-e regularly conic, rather blunt ; suture hnear ; whorls 

 five to six, the upper ones flat, the penultimate moderately con- 

 vex, the last forming three-fifths of the total length, descending 

 anteriorly, rouuded in front ; columella broad, callous, trun- 

 cated broadly and obliquely ; aperture perpendicular, acuminately 



