70 aueiculid^!. 



25. Pythia sinuosa. 



Shell with the umbilicus more or less covered, compressedly 

 ovate-conic, rather thin, sculptured with rather regular longitu- 

 dinal stria? and distant transverse impressed lines, horn-coloured 

 fulvous, conspersed with dark brown spots ; spire convexly conic, 

 pointed ; varices angular, whitish ; suture linear ; whorls nine, 

 fiat, the last forming three-fifths of the total length, compressed 

 and somewhat bag-shaped in front; aperture semiovate; pa- 

 rietal plaits three, the upper one vertical, flexuous, terminating 

 in the shape of a tooth, the second large, tongue-shaped, the 

 third, which is smaller, touching the second ; columellar plait 

 scarcely ascending, produced externally; peristome slightly 

 reflexed ; right margin bearing three rather equal teeth ; colu- 

 mellar margin sinuate, much dilated, vaulted and reflexed, so 

 as to cover the largest part of the umbilicus. Length 23, 

 greatest breadth 13^, least breadth 10 mill. 



Scarabus sinuosus, A. Adams in Proc. Z. S. 1850, p. 151 ; Ami. 



$ Mag. N.H.2 ser. viii. p. 69. 

 Pythia sinuosa, Pfr. Syn. Auric, n. 89 ; Mon. Auric, p. 92. 

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



Hob. Isle of Negros, Philippines (H. Cuming). 



26. Pythia semistjlcata. 



Shell umbilicate, ovate-pyramidal, rather thin, smooth, sculp- 

 tured with deep longitudinal furrows near the linear suture, 

 slightly shining, dark chestnut-coloured, with a black band 

 below the suture ; spire pyramidal, apex rather pointed ; varices 

 narrowly bordered with white; whorls nine, rather flat, the 

 last about as long as the spire, compressed and wrinkled round 

 the open umbilicus ; aperture rather oblique, roundish-ovate, 

 yellowish; parietal teeth two, the upper one triangular, the 

 other compressed, entering, rather doubled externally; colu- 

 mellar plait tongue-shaped, arcuately ascending obliquely; 

 peristome slightly reflexed ; right margin rather cut out at its 

 upper part, dilated towards the lower part, bearing within four 

 to five deeply-placed small teeth, two of which are larger; 

 columellar margin much dilated, thickened, excavated, spreading. 

 Length 27, greatest breadth 14, least breadth 11 mill. 



Scarabus semisidcatus, A. Adams in Proc. Z. S. 1850, p. 151 ; 



Ann. fy Mag. N. H. 2 ser. viii. p. 69. 

 Pythia semisiilcata, Pfr. Syn. Auric, n. 90 ; Mon. Auric, p. 93. 



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

 Hah. ? 



