32 pulmonata. 



49. Oleacina unicolor. 



Species similar to the preceding, but the shell is uniformly 

 light brown, without any dark stripes ; the striae are rather more 

 strongly impressed ; the columella is not arcuate, and the form 

 is rather more slender. Length 0'7, breadth 0-21 inch. (Adams.) 



Achatina unicolor, Adams, Contrib. to Conch, n. 2. p. 26. 



Pfr. Mon. Suppl. 516. 

 Hab. Jamaica. 



50. Oleacina angiostoma. 



Shell fusiform, pale redflish, with transverse rather naiTow 

 dark broA\n stripes, of which there are about four on each whorl, 

 except on the first three ; with extremely fine crowded transverse 

 striaj ; spire with moderately convex outlines ; apex rather small ; 

 whorls seven, moderately convex, with a well-impressed sutm-e ; 

 ajierture very long and naiTOW ; labrum very thin and sharp ; 

 columella jiroduced to an extraordinary degree, straight, a little 

 twisted. Length 072, breadth 0'22 inch. {Adams.) 



Achatina angiostoma, Adams, Contrib. to Conch, n. 2. p. 25. 



Pfr. Mon. Suppl. 516. 

 Hab. Jamaica. 



5L Oleacina nana. 



Shell ovate, rather thin, sculptured with regular and crowded 

 slight ribs and furrows, fuscous, \Aith a pale band along the su- 

 tui'e ; spire conic, rather pointed ; whorls six, moderately convex, 

 the last about twice as long as the spu-e ; columella strongly 

 arched, abruptly truncated at its base ; apertui-e semiovate ; peri- 

 stome straight, sliavp. Length 13, breadth 6 mill. [Sh.) 



Achatina nana (Polvphemus), Shuttleworth in Bern. Mittheil. 

 1852, 202. 

 Pfr. Mon. Suppl. 516. 

 Hab. Cordova, Vera Cruz {Jacot-Guillarmod). 



52. Oleacina fusiformis. 



Shell ovate-fusiform, thin, longitudinally closely costnlate, mi- 

 nutely reticulated with transverse lines, fulvous, with darker 

 stripes ; spire conic, rather acute, apex redchsh ; suture margined ; 

 whorls seven to eight, slightly convex, the last a little exceeding 

 the spire, attenuated at the base ; columella shghtly arched, 

 abru])tly truncated, reddish ; aperture narrow, oblong ; peristome 

 simple, bent back, margin rubicund. Lon. 87, lat. 35 ; ap. Ion. 

 60, lat. 16 mill. 



I 



