20 PROSOPEAS. 



f orschender Freunde, 1880, p. 147 ; Conchol. Mittheil., i, p. 93, 

 pi. 17, f. 6-8. Prosopeas carolinum (Marts.), MLLDFF., Journ. 

 of Malak., vii, p. 113. 



The color, suture and obtuse apex give this species a cer- 

 tain similarity to Tornatellina gigas. It is referred to Proso- 

 peas with some doubt. 



10. P. GORONTALENSIS (Sarasin). PI. 5, figs. 33, 34, 35. 

 Shell large, drawn out very slim, imperforate with o'btuse 



apex. Whorls 10, the uppermost somewhat convex, the rest 

 nearly flat, separated by an incised suture, slowly and regu- 

 larly increasing in breadth, the last whorl with the indica- 

 tion of fan angle, tapering towards the base. Aperture nar- 

 rowly piriform, acute above, rounded and effuse basally, the 

 peris-tome acute, not reflexed, terminations connected by a flat 

 callus, the columellar margin somewhat thickened and whit- 

 ish. The sculpture consists of fine, closely crowded, raised, 

 transverse strise. The original color is no longer recognizable, 

 the shells appearing pure white. Length 33.75, diam. 8, aper- 

 ture 10x3.75 mm. ; length 33.5, diam. 7.5, aperture 9.5x4 mm. 

 (Sarasin). 



Celebes: southern shore of Limbotto Lake in a bank of 

 debris. 



Stenogyra (Prosopeas) gorontalensis P. & F. SARASIN, Die 

 Land-Mollusken von Celebes, p. 117, pi. 26, f. 270, 271, 271a 

 (1899). 



Smaller, more slender and thinner than P. cochliodes Pfr. 



11. P. DISCERNIBILIS (Martens). PI. 5, fig. 39. 



Shell turrited, subrimate, sculptured with subelevated, ver- 

 tical, close and unequal striolae, rather glossy, uniform yellow 

 Apex obtuse. Whorls 9, the first small, scarcely projecting, 

 second and third almost double its size, of equal width, sub- 

 globose, smooth; following whorls regularly and slowly in- 

 creasing, nearly flat, striatulate, with slightly impressed 

 sutures, the last whorl oblong, the lower third noticeably 

 tapering. Aperture oblique, lanceolate, the peristome thin, 

 unexpanded, the outer margin lightly arcuate, basal margin 



