OLEACINA. 33 



0. STRIGOSA, Martens. PL 8, fig. 2. 



Closely plicately striate, crossed by minute spiral striae, rosy 

 yellow, occasionally narrowly chestnut-striped ; suture crenu- 

 lated, margined. Length, 54 mill. 



Mexico. 



Strebel considers this a variety of 0. striata. 



O. ALABASTKINA, Albers. PL 5, fig. 61. 







Solid, closely regularly plicate-striate, whitish, shining ; whorls 

 7, suture margined, denticulate-crenulate. Length, 51 mill. 



Tabasco, Central America. 

 O. MABMINII, Desh. PL 5, fig. 72. 



Shell thin, pellucid, white, broadly longitudinally plicate, 

 suture elegantly crenated. Length, 53 mill. 



Habitat unknown. 

 O. SEMISULCATA, Desh. PL 5, fig. 63. 



Regularly plicate-striate, becoming smooth 'at the base, orange- 

 brown, distantly strigate with chestnut. Length, 37 mill. 



Habitat unknown. 

 O. FLEXUOSA, Pfeiffer. PL 5, fig. 68. 



Solid, longitudinally flexuously plicate-striate ; fulvous, with 

 narrow chestnut strigations ; whorls 7, the last deflected towards 

 the aperture, suture subcrenated. Length, 53 mill. 



Aux Cayes, Haiti. 

 0. TURRIS, Pfeiffer. PL 5, fig. 62. 



Closely slightly costate-striate, rather thin, diaphanous, pink 

 white; whorls 7, suture margined; aperture subdilated below. 



Length, 43 mill. 



Mazatlan. 

 0. STREBELI, Angas. PL 5, fig. 69. 



Thin, shining, finely longitudinally striate, the striae nearly 

 obsolete on the last whorl ; olive-green ; whorls 5^, suture 

 simply impressed. Length, 23 mill. 



Costa Rica. 

 0. ANOMALA, Angas. PL 5, fig. 66. 



Thin, shining, yellowish olive-green, dark brown towards the 

 apex, flatly longitudinally striate, striae becoming obsolete on 

 the lower portion of the whorls, especially the last ; whorls 7, 

 suture granulated. Length, 35 mill. 



Costa Rica, hilly regions. 

 3 



