288 ZONITID^E. 



[455. Sophina discoidalis, Stol. J. A. 8. B. 1871, 2, p. 258, pi. 19, 

 figs. 5, 11, 12; Pfr. Helix (Sophina), Mon. Hel. vii, 1876, 

 p. 117 ; H.$T. (Sophina) C. I. 1876, pi. 147, fig. 7 ; Nevill, 

 Nanina (Sophina), Hand-l. i, 1878, p. 52. 

 Fig. 87, C, C', p. 287. 



Shell depressed, subdiscoid, openly umbilicated, circular in 

 shape, thin, pale horny, sometimes with a rufous band near the 

 periphery ; whorls 5-5J, closely and regularly wound, slightly 

 convex, transverse striae very minute and close, suture depressed, 

 and below the suture spiral impressed lines not very distinct, 

 apex a little prominent ; aperture seinilunate, subvertical, the 

 columellar margin short, thickened, oblique, reflected slightly at 

 the base, with a shallow notch, forming a pronounced sharp keel 

 within the umbilicus, seen perspectively and regularly to the apex. 



Sp. JB.M. : major diam. 10*5, min. 9*5, axis 4'5 mm. 



Hob. Moulmein Limestone Hills, Ataran Eiver (Theobald}.'] 



[456. Sophina conjungens, Stol. J. A. S. B. 1871, 2, p. 257, pi. 19, 

 figs. 6, 13 ; Pfr. (Helix) Mon. Hel irii, 1876, p. 118; H. $ T. 

 (Sophina) C. 1. 1876, pi. 147, figs. 8, 9 ; Nevill, Nanina (Sophina), 

 Hand-l. i, 1878, p. 52. 

 Fig. 87, D, D'. 



Shell globosely orbiculate, slightly depressed, thin, transparent, 

 openly umbilicated ; sculpture none, transverse lines of growth ; 

 colour horny pale sienna tint ; spire depressedly conic ; suture 

 shallow ; whorls 5, very convex, tumid, increasing regularly ; 

 aperture ovately lunate, oblique; peristome thin ; columellar margin 

 nearly vertical, slightly reflected, thin, very feebly notched at base 

 at junction of the peristome, forming an indistinct umbilical 

 keel. 



Specimen in British Museum, from Stoliczka : major diam. 12, 

 min. 10 1, alt. axis 5 mm. 



Locality. South of Moulmein.] 



[457. Sophina forabilis, Benson, A. M. N. H. (3) iii, 1859, p. 389 

 (emend, char.), p. 473 ; Pfr. (Helix) Mon. Hel v, 1868, p. 112 ; 

 H. 8f T. (Sophina) C. I. 1876, pi. 147, figs. 1, 4; Nevill, 

 Nanina (Sophina), Hand-l i, 1878, p. 52. 

 Fig. 87, F-F". 



Shell semiglobosely conoid, very openly and perspectively um- 

 bilicated, transversely striate ; sculpture under high power very 

 fine longitudinal striation on the upper whorls, beneath and 

 around the umbilical keel the stride become quite coarse and 

 distant ; colour horny brown ; spire conoidly depressed, apex 

 rising slightly, subobtuse ; whorls 5J-6, convex, rather rapidly 

 increasing, rounded on the periphery, aperture roundly and 

 obliquely lunate ; peristome vertical, acute ; columella sinuate, 

 somewhat thickened, at the junction with the peristome is a fold 



