139 



convexi, ultimus 1/3 longitudinis vix superans, basi vix 

 attenuatus; columella levissime arcuata, anguste truncata; 

 apertura verticalis, subrhombeo-ovalis; perist. simplex, 

 rectum , margine dextro aicuatim antrorsum dilatato. — 

 Long. 15, diam. 5 mill, Ap. 5 mill. longa, 2^U lata. 



Habitat Letran. 



Diese Art ähnelt auf den ersten Blick der 0. trinitaria 

 Gundl. (vergl. Malal Bl. VI. 1859. S. 101), unterscheidet 

 sich aber durch gestrecktere Form , zugespitzten Wirbel, 

 undeutliche Variccs, gekerbte Naht und gerundet- nicht 

 Avinklig-verbreitcrten rechten Mundrand. 



5. Ole acina Poe/jana Pfr. 



T. oblonga, solidula, laevigata, nitida, corneo-lutes- 

 cens, strigis nonnullis saturatioribus ornata; spira convexo- 

 turrita, apice acutiuscula; sutura subsimplex; anfr. 6, 

 primi 4 regulariter accrescentes, penultimus longus, ultimus 

 antice profunde descendens, vix dimidiura totius longitudinis 

 formans; apertura obliqua, acuminato-ovalis ; columella ar- 

 cuata , ad basin aperturae angustissime truncata ; perist. 

 simplex, marginibus callo tenui junctis, dextro medio sub- 

 dilatato, tum recedeute. — Long. 12 — 13, diam. 4 mill. Ap. 

 6 mill, longa, 2' '3 lata. 



Habitat Rangel. 



4. 0. Wrighti Pfr. 



T. fusiformis, tenuiuscula, laevigata, superne minule 

 striatula, pallide lutescenti-cornea; spira regulariter attenuata, 

 vertice obtusulo ; sutura distincte marginata : anfr. 6 con- 

 vexiusculi, ultimus spira paulo brevior, basi attenuatus; 

 apertura angusta, semielliptica; columella leviter antrorsum 

 curvata, angustissime truncata; perist. simplex, tenue, mar- 

 gine dextro antrorsum vix arcuato. — Long. 8^/3 , diam. 

 3 mill. Ap. 4' '3 longa, 1^/3 lata. 



Habitat Vignales (Wright) , Bayamo 



