SITALA. 227 



impressed; whorls 6, convex, the last angulate, the angulation 

 disappearing near the inouth, base slightly convex, smoother, 

 marked with radiating striae and impressed subdistant concentric 

 lines ; aperture subquadrately lunate, very little oblique ; peristome 

 simple, straight, columellar margin subvertical, becoming vertical 

 above, and slightly reflected. 



Major diam. 7|, min. 7, height 7 mm. 



Hab. Throughout Bengal and Orissa. Eecorded from Calcutta, 

 Murshidebad, Eaniganj, Eajmehal Hills, Patharghatta in Behar, 

 and Talchir in Orissa. Specimens from the last named have 

 7 whorls, and measure 8 mm. in major diameter and 7| in height. 

 Nevill includes specimens from Arakan, Bassein, and Moulmein 

 in Burma. Shells are also said to have been found at Poona and 

 in parts of Southern India, but this requires confirmation. 



Animal leaden grey with a pinkish tinge, spotted and striped 

 darker. No dart-sac. The vas deferens joins the male organ on 

 the distal side of the retractor muscle, being slightly expanded 

 near the penis, but without kale-sac or other appendix, and there 

 is a distinct csecum to the muscular attachment. 



Jaw finely striated, arched, scarcely projecting in the middle. 

 Eadula containing 150 . 3 . 1 . 3 . 150 (Stol.} 120 . 3 . 1 . 3 . 120 

 (G.-A.) teeth in each row, about 100 rows being present; the 

 seven median teeth are conspicuously larger than the others and 

 bicuspid, the laterals pointed with 2-5 cusps on the outer side. 



337. Sitala attegia, Bs. (Helix) A. M. N. H. (3) iii, 1859, p. 184 ; 

 Theobald (Helix), J. A. S. B. xxvi, 1857, p. 250 ; Pfr. (Helix) 



" 10 " 



(Sitala), Hand-l. i, 1878, p. 33 ;" Godwin-Austen, Mol Ind. i, 1882, 

 p. 29, pi. 8, figs. 2-2/ (shell and anatomy). 



Shell narrowly perforate, subtrochiform, thin, obliquely striated, 

 and with longitudinal (spiral) subdistant raised lines, stronger on 

 upper whorls, with minute flexuous striation interposed (the latter 

 only seen under a microscope), translucent, pale yellowish or 

 brownish horny ; spire conical, suture impressed ; whorls 7-7|, 

 convex, slowly increasing, the last carinate, convex beneath, 

 radiately striate, and marked with distant concentric impressed 

 lines; aperture oblique, subquadrately lunate; peristome thin, 

 straight, columellar margin vertical, broadly triangularly reflected, 

 partly covering the perforation. 



Major diam. 10, min. 9, height 9 mm. Some specimens are 

 12^ mm. in diameter and 10| high ; others are as small as 6 mm. 

 in diameter. 



Hob. Throughout Pegu and Tenasserim, and in Upper Burma, 

 also being found at Bharno, according to Nevill. Eecorded also 

 from Ava,Prome, Akouktoung, Moulmein, Ataran Valley, Phiethan, 

 Tenasserim Valley, Mergui, and, according to Nevill, Preparis 



Q2 



