HELIX. 31 



H. BULIMINOIDES, Heude. Vol. Ill, PL 52, figs. 18, 19. 



Covered perforate, obsoletely striulate, shining, brownish white ; 

 whorls 7-9, slightly convex, slowly and regularly enlarging, suture 

 superficial, last whorl obtusely carinated, not descending in front, 

 convex below ; peristome a little thickened and reflected. 



Length, 10-13 mill. 



Nanking, China. 



H. PSEUDOBULIMINUS, Heude. Vol. Ill, PI. 52, figs. 16, 17. 



Perforate, strongly spirally striate, greyish white, shining ; whorls 

 9, convex, suture margined, last whorl angulated and channeled 

 below the angle, base convex ; peristome acute, slightly expanded. 



Length, 12 mill. 



China. 



Subsection IX. COCHLICELLA, Risso. 1826. 



H. CONTERMINA, Shuttl. PI. 6, figs. 73, 74. 



Perforate, rather thin, closely costulate-striate, light grey, fasci- 

 ate or punctate with chestnut ; whorls 7, slightly convex, the last 

 rounded ; peristome acute, labiate within. 



Diam. 8, alt. 9 mill. 



Corsica. 



H. psammoica, Morelet, is a synonym. 



H. DITLICATA, Mousson. PI. 6, figs. 75, 76. 



Perforate, somewhat solid, calcareous, strongly obliquely striate, 

 slightly shining, white ; whorls 6, slightly convex, the last rounded, 

 the base convex, with a central filiform spiral ridge, on the two sides 

 of which the stria; are differently directed ; peristome acute, not 

 labiate within, subincised below. Diam. 8*2 mill. 



Mogador, Morocco. 

 H. VATONIAXA, Bourg. PL 6, figs. 81, 82. 



Narrowly perforate, rather thin, chalky, whitish, with subopaque, 

 variously disposed flames, strongly, closely costulate-striate ; whorls 

 5-1, convex, slowly increasing, scarcely descending in front; peris- 

 tome acute, labiate within. Diam. 8 mill. 



Algeria. 

 H. CONOIDEA, Drap. PL 6, figs. 77, 78. 



Perforate, striulate, a little shining, white, variously banded with 

 chestnut ; whorls 6, somewhat convex, the upper ones carinated ; 

 peristome acute, simple, margins converging. 



Diam. 6'5, alt. 9'5 mill. 



Mediterranean Region. 



