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. DUPLICATA, 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 strise are differently directed ; peristome acute, not 

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



Mogador, Morocco. 

 H. VATONIANA, Bourg. PI. 6, figs. 81, 82. 



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

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

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

 tome acute, labiate within. Diam. 8 mill. 



Algeria. 



H. COXOIDEA, Drap. PI. 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. 



