20 pulmonata. 



15. Oleacina incerta. 



Shell oblong, transparent horny ; spire somewhat obtuse ; 

 whorls six, rather flattened, smooth, shining, faintly margined 

 round the upper part ; columella conspicuously truncated ; aper- 

 ture oblong, narrowed at the upper part. Length 12^ mill. 



{Reeve.) 



Achatina incerta. Reeve, Conch. Icon. n. 90. t. 18. 



Pfr. Mon. Stippl. 509. 

 Glandina incerta, Morelet in Journ. Conch. 1852, 35. 

 LocaUty unknown. 



Very like 0. solidula, from which it differs in being more ven- 

 tricose towards the base. 



16. Oleacina subulata. 



Shell subcylindrical, attenuated each way, smooth, horny-ful- 

 vous, pellucid ; spire elongate-conic, rather acute ; whorls six to 

 seven, the highest slightly convex, the rest rather level, marked 

 with an opake line below the suture, the last less than three- 

 sevenths the length ; columella slightly oblique, narrowly trun- 

 cated ; aperture oblong ; peristome simple, dextral margin arched 

 in front, midway. Lon. 12, lat. 2j ; ap. Ion. 6, lat. 2 mill. 



Polyphemus subulatus, Pfr. in Wiegm. Arch. 1839, 352. 

 GlancUna subulata, Pfr. Symb. ii. 136. 



Phil. Icon. i. 6. 132. t. 1. f. 10. 



Alb. 198. 

 HeUx orysaca. Rang, teste Orb. 



Achatina orysaca, Orb. Moll. Cub. i. 167. t. 10. f. 20-25? 

 Achatina subulata, Pfr. Mon. Helic. ii. 282; Ic. n. 83. Bui. t. 38. 

 f. 12, 13. 



Reeve, Conch. Icon. t. 18. f. 89. 

 Hab. Cuba. 



17. Oleacina follicularis. 



Shell ovate, thin, smooth, pellucid, fulvous ; spire short, blunt ; 

 whorls five, little convex; suture shghtly bordered; columella 

 scarcely arched, truncated ; aperture narrow, oblong, forming 

 more than half of the total length. Length 12, breadth 5 mill. 



(Mor.) 



Glandina follicularis, Morelet, Test. Noviss. i. 14. n. 26. 

 Achatina follicularis, Pfr. Mon. Suppl. 510. 



Hab. Isla de Pinos, near Cuba. 



