AtJEICULID^:. 59 



tilinear, pointed ; whorls about nine, flat, the last shorter than 

 the spire, rather inflated ; body of the penultimate whorl two- 

 plaited ; columella furnished with a single compressed tooth ; 

 aperture widely effused anteriorly, narrowed by three middle- 

 sized teeth on the right margin ; peristome expanded, much 

 dilated behind the palatal teeth, columellar margin reflexed. 

 Length 24, breadth 14 mill. (From Petiver's figure.) 



Petiver, Gazophylac. dec. 1. t. 4. f. 10. 



Scarabus Petiverianus, Fer. Proclr. p. 101. n. 3 (not of Deshayes, 



Reeve, Kiistcr, A. Adams). 



Troschel in Wiegm. Arch. f. Nat. 1838, p. 207. 

 Pythia Petiveriana, Pfr. in Zeitschr. f. Malak. 1853, p. 128 ; 



Mon. Auric, p. 78. 



Hob. Bengal (Petiver). 



§ 2. Umbilicus rather closed. 



G. Pythia lekithostoma. 



Shell imperforate, broadly ovate-conical, solid, nearly smooth, 

 deeply and distinctly furrowed near the impressed suture, red- 

 dish-white, compressed, with chestnut-coloured spots ; spire 

 short, conoidal, rather blunt; varices bordered with white- ; 

 whorls eight to nine, moderately convex, the last one tumid, 

 longer than the spire, very slightly attenuated at its base ; 

 aperture perpendicular, ovate, orange-coloured ; parietal teeth 

 two, the upper triangidar with the upper branch elongated, the 

 other entering-, furnished externally with a middle-sized tuber- 

 cle; columellar plait compressed, ascending obliquely, rather 

 produced externally; peristome orange-coloiu-ed, with the mar- 

 gins joined by a thick, shining deposit; right margin slightlv 

 arched, simple above, dilated, thickened and wrinkled at its 

 lower half, bearing within three rather equal teeth ; columellar 

 margin much thickened, perfectly closing the umbilical region. 

 Length 28, greatest breadth 18, least breadth 14 mill. 



Scarabus lekithostoma, Reeve in Aim. ty Mag. N. II 1842, ix. 

 p. 220. pi. 4. f. 6 ; Conch. Sgst. ii. pi. 188. f. 6. 



A. Adams in Proc. Zool. Soc. 1850, p. 150; Ann. 8f Mag. 

 N.H.2 ser. viii. p. G9. 

 Scarabus lekithostomus, Exist. Auric, p. G5. t. 9. f. 10. 

 Pythia lekithostoma, Pfr. S'yn. Auric, n. 77; Mvn. Auric 

 "p. 79. 



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



Ilab. ? 



