- 139 - 



Stcnogyra Subiila in plurimis insulis Cariba^ls occurritj 

 liabeo uempe c Cuba, St. Thomas et Jamaica. 



30. Stenogyra (Opcas) octoiioides (C. B. Ad.). 



Syn. Bulimus oclonoides C B. Ad. ! in ßost. Proc. 184.^, p. 12. 

 Vcir, ? minor, striis obsoletioribus. 

 Hab. Circa Ilumacao, Luquillo et in Insula Vieque. 

 Obs. Differt a precedente testa minore, sericeo-nitidula, anfr. con- 



vexioribus satis argute striatis, et spira minus acuniinata : 



etiam e St. Thomas et Jamaica acccpi. 



31. Steuogyra (Opeas) iiiargaritacea Shultl. n. sp. 



Testa anguste perforata, tuirita, argute et remotiuscule striata, 

 margaritaceo-nitens, diaphana, cerea^ spira obtusaj anfr. 6, vix 

 convexiusculi, ultimus circa 2/^ longltudinis a^quans ; sutura pro- 

 funda ; cülumella rectiusculaj apertura ovato-oblonga; perist. mar- 

 gine dextro subflcxuoso, columellari brevissime reflexo. 



Long. 5; Diam. vix 2; Apert. circa 1^4 mül. longa, S/.j lata. 

 Hab. Rarius ad Rio Blanco in Sierra de Luquillo. 

 Obs. Species pulchra, ut plurimae sectionis , verbis paucis difficil- 



lime describenda, sed nitore margaritaceo , statura parva et 



spira vix subulata facile recognoscenda. 



32. Steiiogyra (Opeas) alabastriiia Shuttl. n. sp. 



Testa angustissime perforata, turrito-subulata, remote costu- 

 lato-striata, vix nitidula, pellucida, alba 5 spira acutiusculaj anfr. 

 T — 8, vix convexiusculi, ultimus vix 1/4 altitudinis »equans^ sutura 

 profunda j columella recta; apertura semiovata^ perist. margine 

 dextro vix flexuoso, columellari reflexo, perforationem fere occul- 

 tante. 



Long. 7; Diam. SVsj Apert. IV3 ™i"- longa, circa 3/^ lata. 

 Hab. Rarissime prope San Juan, ubi spec. 4 legit Blauner. 



33. Stenogyra (Opeas) Goiiipharium Shattl. n. sp. 



Testa angustissime perforata, conico-turrita, remote et irre- 

 gulariter plicatula, vix nitidula, cerea^ spira acutula, apice obtusaj 

 anfr. 6, param convexi, ultimus ^/^ longitudinis aequans ', sutura me- 

 diocris ; columella recta j apertura semiovalis 5 perist. margine dex- 

 tro vix flexuoso, columellari brevissime reflexo, perforationem fere 

 occultante. 



Long. 6Y2; Diam. SVs^ Apert. circa l^/^ mill. longa, 1 lata. 

 Hab. Prope San Juan specimina 3 legit Blauner. 



34. Steiiogyra (Opeas) Goodalli (Mill.). 



Hab. Prope San Juan, Fajardo, Ceiba, Humacao, Luquillo, et ad 

 Rio Blanco, cum affinibus intermixta, frequens. 



