HELIX. 59 



Section ENDODONTA, Albers, 1850. 

 I. Umbilicated or perforate species. 



A. Lamellae palatal only. 

 H. BERLIERI, Crosse. PL 11, figs. 6-2, 63. 



Widely, perspectively urnbilicated, rather thin, lightly longi- 

 tudinally' striulate, light corneous, unicolored, suture impressed ; 

 whorls 5J, periphery rounded, base flattened; external margin of 

 the aperture deeply quadrilirate, showing slightly through the 

 whorl. Diam. 2-25 mill. 



New Caledonia. 



H. DISPAR, Brazier. (Unfigured). Mt. Wellington, Tasmania. 



B. Lamellx parietal only. 



a. Ecarinate. 

 H. YINCENTINA, Crosse. PI. 11, fig. 64. 



Perviously umbilicated, thin, not striated, dull fulvous corne- 

 ous, unicolored, suture impressed ; whorls 5, the first three sub- 

 planate, the others a little convex, the last not descending, 

 rounded, base subplanate ; aperture with an angular, whitish, 

 median parietal lamina. Diam. 2 mill. 



St. Vincent, New Caledonia. 



H. JUGOSA, Mighels. PI. 11, figs. 65-70. 



Widely umbilicated, rather thin, somewhat closely costulate, 

 the interstices minutely spirally striate, diaphanous, brownish ; 

 whorls 6, a little convex, the last subdepressed, not descending; 

 aperture with a thin parietal lamina. Diam. 8 mill. 



Sandwich Islands. 

 Yar. RUBIGINOSA, Gould. Figs. 68-70. 



Yellowish corneous, tessellated with chestnut, obliquely 

 costate-striate. 



H. HYSTRIX, Mighels. PI. 11, figs. 71-73. 



Widely umbilicated, regularly costulate, yellowish corneous, 

 deciduously rigidly hirsute, tessellated with chestnut above ; 

 spire plane, subimmersed in the middle ; whorls 5, convex, the 



