72 HELIX. 



H. HEYXEMANXI, Pfr. PL 13, fig. 82. 



Somewhat solid, lightly striate, yellowish, maculated and flamed 

 with chestnut ; whorls 7, planulate, all carinated and exserted, the 

 last compressly carinated, base a little convex, umbilicus ample, 

 nearly closed above ; aperture with two parietal, one columellar and 

 three or four basal lamellae. Diani. 5'5 mill. 



Tahiti. 



H. GREGARIA, Garrett. PI. 13, figs. 83, 84. 



Rather solid, not shining, closely, finely, slightly biarcuately 

 costellate, more crowded on the base ; whitish, tessellated, and rayed 

 with chestnut ; whorls 7, narrow, slowly increasing, periphery 

 acutely carinated, base somewhat convex ; apertural laminae 5-6, 

 two parietal, one columellar, two palatal, and one inconspicuous (or 

 absent) above the keel. Diam. 7 mill. 



Moorea, Society Is. 



H. RECEDENS, Garrett. PL 13, fig. 85. 



Rather solid, not shining, with thin, crowded, rough striae, finer 

 and closer on the base, yellowish, tessellated and strigate with dark 

 chestnut, or all chestnut ; whorls 7, slightly convex, narrow, slowly 

 increasing, last one carinated and decidedly deflected from the 

 periphery of the penultinate ; apertural lamina? 6, two parietal, the 

 lower one deep-seated, a stout one on the columella, two on the 

 palate and a less conspicuous one above the keel. Diam. 5'5 mill. 



Moorea, Society Is. 



Section TROCHOMORPHA, Albers., 1850. 

 A. Imperforate. 



H. CONUS, Phil. PL 14, figs. 87, 88. 



Imperforate, acutely carinate, striulate, with about seven undu- 

 lating impressed spiral lines above the periphery ; fulvous chestnut, 

 with white zones at the carina and suture, base shining ; whorls 8, 

 the apex globose, uncolored, the others flattened, base scarcely 

 convex, umbilical region excavated, whorl not descending in front ; 

 columellar margin thickened, white. Diam. 12*5 mill. 



Java. 



H. CAMPBELLII, Gray. PL 14, fig. 89. 



Imperforate, convex, closely rugosely striate above, lightly decus- 

 sated by spiral striae, light brown, with a broad light band above the 

 periphery ; whorls 4i, a little flattened, the last angulated, base 





