78 STREPTAXTS. 



suture; lip reflected, somewhat thickened, whitish, with three lip 

 teeth and a pair of lamellae on the parietal wall. 



IMam., 6*5 mill. 



Nilgirri Mountains, India. 



Yar. y?. Peristome five-dentate, of which three are normal, 

 with an additional small one towards the sinus of the aperture, 

 and a minute one near the umbilicus. 



S. CUMINGIANUS, Pfeiffer. PL 15, figs. 54-56. 



Perforate, smooth, greenish white ; whorls 7 ; peristome nar- 

 rowly expanded, margins joined by a callus, with two teeth; 

 parietal wall with an entering lamina. Diam., 6*6 mill. 



Hab. Brazil ? 

 S. STREPTODON, Moricand. PI. 15, figs. 52, 53. 



Perforate, lightly striate, shining, yellowish white ; whorls 7-J- ; 

 lip white, widely reflected, bearing two teeth not attaining the 

 margin ; parietal wall with a long flexuous lamina. 



Diam. 7, alt. 9 mill. 



Bahia, Brazil. 



Differs from the next species in its larger size and contorted 

 parietal lamina. 



S. DEJECTUS, Petit. PI. 15, figs. 47-49. 



Perforate, thin, striulate, shining, yellowish white; whorls 

 6^, the last infundibuliform around the umbilicus ; parietal wall 

 plicate ; lip reflected, bidentate, the basal tooth transverse. 



Diam., 7'3 mill. 



Bahia, Brazil. 

 S. CINGALENSIS, Benson. PI. 15, figs. 50, 51. 



Arcuately rimately perforate, solid, obsoletely costulately 

 striate, polished below, corneous white, suture crenulated ; 

 whorls 6 ; umbilicus striated, with impressed surrounding lines ; 

 lip reflected, sinuated above, bidentate ; parietal wall with a 

 strong, entering lamina. Diam., 11 mill. 



Ceylon. 

 S. CANARICUS, Beddome. PI. 15, figs. 70-72. 



Narrowly umbilicated, somewhat shining, filiformly striate, 

 yellowish ; suture submarginate ; whorls 5J-, the penultimate 

 one acutely carinate behind, the last one with three constrictions 

 below the aperture, convex below, compressed around the 



