362 



sequante, basi rotundato ; apertura verticali, semiovali ; perist. 

 recto, margine columellari subverticali, superne dilatato, patente. 



" Long. 5, diam. 2 mill." (H. Adams.} 



Nab. Ceylon ; Matelle (F. Layard). 



Fig. 120. Opeas ? pusillus. (Enlarged.) 

 (From P. Z. S.) 



" Peculiar from being, at least so far as I know, the only sinistral 

 land-shell that has yet been met with in the island." (H. Adams.) 



Referred with some doubt to Opeas ; it certainly has nothing to 

 do with Ena. It may possibly be a monstrosity. I give a copy 

 of Adams's figure. 



Genus PROSOPEAS, Morch. 



Prosopeas, Morch, Journ. Conchy!. 1876, p. 358, as section of Bulimus 

 for B. roepstorf', Morch, and B. achates, Morch (no description) ; 

 Pilsbry, Man. Conch, ser. 2, xviii, 1906, p. 14. 



TYPE, Bulimus roepstorffi, Morch. 



Range. Farther India, including Malay Peninsula, Andaman 

 and Nicobar Islands, China, Malay Archipelago, Philippine 

 Islands. 



" Shell Stenogyroid, of moderate or large size, imperf orate or 

 nearly so, with rather small, sernigloboseapex, the first two whorls 

 typically smooth (but ribbed in the s. g. Paropeas), later whorls 

 very densely sculptured ivith fine oblique strice which are arched 

 forward above and retracted to the suture. Aperture ovate ; colu- 

 mella straight or concave, continuous with the basal margin below, 

 slightly or not folded above, with a reflexed, adnate margin. 

 Axis slender, straight or nearly so. Reproduction by globular, 

 calcareous-shelled eggs, as in Opeas. 



326. Prosopeas hebes, Blanford. 



Spiraxis hebes, Blanford, J. A. S. B. xxx, 1861, p. 361, pi. 1, 



fig. 15 ; Pfeiffer, Mon. Helic. Viv. vi, 1868, p. 190 ; Hanley & 



Theobald, Conch. Iiid. 1874, pi. 79, fig. 10. 

 Stenogyra (Opeas) hebes, Nevill, Hand List, i, 1878, p. 166. 

 Stenooyra (Spiraxia (Euspiraxis}} hebes, Pfeiffer & Clessin, Nomencl. 



Hel'ic. Viv. 1881, p. 323. 

 Prosopeas hebes, Pilsbry, Man. Conch, ser. 2, xviii, 1906, p. 32, 



pi. 12, fig-. 6. 



Original description : " Testa imperf orata, turrita, cornea, rugoso- 



