74 aueiculid^:. 



32. Pythia Cecillei. 



Shell rimately perforate, ovate-oblong, scarcely compressed, 

 slightly wrinkled longitudinally, horn-coloured, usually with 

 brown bands; spire conic, acute, with the varices indistinct, 

 whitish; suture linear; whorls seven, flat, the last forming 

 scarcely two-fifths of the total length, rather compressed, and 

 somewhat swollen at base; aperture semiovate, rounded in 

 front ; parietal plaits two, the upper triangular, dentiform, the 

 other tongue-shaped, entering, bearing externally a very minute 

 tubercle ; columellar plait single, ascending obliquely ; peristome 

 slightly thickened ; right margin sinuate above, furnished within 

 with two teeth and a callus, which descends from them ; colu- 

 mellar margin dilated, spreading, bearing a perpendicular plait. 

 Length 20, greatest breadth 11, least breadth 9 mill. 



Scarabus Cecillei, Philippi in Zeitschr. f. Malak. 1847, p. 122. 



A. Adams in Proc. Z. S. 1850, p. 149 ; Ann. fy Mag. Nat. 

 Hist. 2 ser. viii. p. 68. 

 Pythia Cecillei, Pfr. Sgn. Auric, n. 95 ; Hon. Auric, p. 98. 



H. and A. Adams, Gen. rec. Moll. ii. p. 240. 

 Hah. China (Cecille). 



33. Pythia acuta. 



Shell olive-shaped, compressed, smooth, greyish ; spire acute ; 

 aperture rounded in front; right margin strongly twisted at 

 base, and furnished with two thick, divided teeth ; left margin 

 thickened towards the base, bearing two lamellar teeth. Length 

 22, breadth 12 mill. {Rousseau). 



Scarabus acutus, Hombr. & Jacq. Von. Pole Sud, Zool. v. p. 39. 



pi. 10. f. 1^3. 

 Pythia acuta, Pfr. Mon. Auric, p. 98. 

 Hub. Ilogolen Islands. 



34. Pythia variabilis. 



Shell compressedly ovate, varying in colour, pale grey or dark 

 brown ; aperture furnished on both sides with three strong and 

 irregular teeth. Length 25, breadth 15 mill. {Rousseau). 



Scarabus variabilis, Hombr. $■ Jacq. Vou. Pole Sud, Zool. v. p. 39. 



pi. 10. f. 4-11. 

 Pythia variabilis, Pfr. Mon. Auric, p. 98. 

 Hab. New Guinea and Arrow Islands. 



35. Pythia crassidens. 



Shell small, similar to the preceding species, smooth, uni- 



