OLEACINA. 23 



0. TRANSLUCIDA, Gundlach. PL 4, figs. 33, 38. 



Rather thin, very shining, translncid, yellowish brown, irregu- 

 larly crowded with longitudinal sulcations ; whorls 8, suture 

 submarginate. Length, 18 mill. 



Guantanamo, Cuba. 

 0. PETHIONIS, Weinland. PI. 11, fig. 83. 



Rather thin, subpellucid, shining, obsoletely arcuately striate, 

 suture simple ; corneous, with distant, irregular, sinuous chestnut 

 strigations. Length, 22 mill. 



Port au Prince, Haiti. 

 0. GLABRA, Pfeiffer. PI. 4, fig. 44. 



Thin, smooth, shining, light corneous, with distant reddish 

 strigations, fading out on the body-whorl ; whorls 8, suture finely 

 crenulately margined ; outer margin of aperture not incurved in 

 the middle. Length, 28 mill. 



Porto Rico. 

 O. INTERRUPTA, Shuttleworth. PL 4, fig. 34. 



Shell thin, very smooth and shining ; corneous, irregularly 

 strigate with reddish chestnut, with a white band on the 

 periphery, and less conspicuous ones towards the base; whorls 

 7 J, suture narrowly margined, scarcely plicate. Length, 27 mill. 



Porto Rico. 

 O. AMBIGUA, Pfeiffer. PL 4, figs. 35, 37. 



Shell rather solid, smooth, shining, orange-red, with a yellowish 

 band near the suture ; whorls 7, suture simple. Length, 22 mill. 



Cordova and Huatusco, Mexico. 



0. Berendti, Pfeiffer (fig. 37), is a synonym; it is described 

 from a fresh specimen, whilst the original description is appar- 

 ently from a dead shell denuded of epidermis. 



0. BELLULA, Crosse and Fischer. PL 4, fig. 36. 



Shell rather thin, smoothish, slightly striated, pellucid ; whorls 

 nearly 8, suture granosely margined ; light-orange red. 



Length, 21'5 mill. 



Mexico. 

 O. LTNDONI, Pfeiffer. PL 4, fig. 41. 



Shell oblong, attenuated below, smooth, shining, light orange- 

 brown ; whorls 7-8, suture submargined ; columella callously 

 thickened. Length, 19-26 mill. Cuba. 



0. onychina, Morelet, is a synonym. 



