PAG0DUL1NA. 171 



crowded and more acutely raised; the next two, of about 

 equal height and breadth, also increase rapidly in breadth, 

 are very convex, the ribs become still a little more acute, more 

 oblique and less crowded; the antepenultimate has similar 

 ribbing, is much the same in size, only a trifle more tumidly 

 convex; it has the peculiar character that whilst on the side 

 of the aperture it only just equals the preceding one in width, 

 on the other side it markedly surpasses it; the last becomes 

 abruptly much narrower above, about equal in width to the 

 fourth whorl ; on its centre it is girt with an impressed line, 

 dividing it into two nearly equal portions, the lower of which 

 becomes abruptly narrower and more compressed, and is 

 brought round (or ascends) in such a manner as to peculiarly 

 evert the aperture, and to bring the latter 's outer margin 

 right up to the suture, reminding one of the genera Boysia, 

 Scopelophila, etc.; looking at it from behind the aperture, it 

 ascends so much that at its termination it completely hides 

 the antepenultimate whorl. The aperture is much everted, 

 triangular, somewhat contracted by the impressed dividing 

 groove of the last whorl. Long. 3%, diam. 2 mm. (Nevill). 



Type, Indian Museum, Calcutta; also in coll. M. M. Bour- 

 guignat, Williams, Fagot, Joly and Godwin- Austen (Nevill). 



Pupa (Sphyradmm) austcuiana Nevill, Proc. Zool. Soc. 

 London, 1880, p. 130, pi. 13, fig. 9. 



Though Nevill has given a lengthy account of this form, he 

 does not mention the striation of the last half-whorl or the 

 internal folds, nor does he point out how it differs from P. 

 pagodula. Its status and relation to P. s. adamii remain un- 

 certain. 



lb. Pagodulina pagodula sparsa (new name). PI. 20, figs. 5, 

 6,7. 



The shell is rather short with sculpture of delicate riblets 

 more widely spaced than usual in pagodula, and rcnuiinhng 

 about equally wide-spaced on the last half-whorl; about 6 or 

 7 riblets may be counted in 1 millimeter on the face of the 

 penult whorl. The palatal fold is more oblique, its inner end 

 placed lower than in pagodula. The inwardly projecting 

 tooth of the outer lip is somewhat more pronounced. 



Length 3.3, diam. 1.8 mm.; 8 whorls (Rakakerwald). 



Length 3.5, diam. 1.85 mm.; 8V2 whorls (Marseilles). 



Length 3.2, diam. 1.9 mm.; 7% whorls (Marseilles). 



