256 CREMNOCONCHUS-TECTAEIUS. 



Genus CREMNOCONCHUS, Blanford, 1869. 



C. SYHADRENSIS, Blanford. PL 46, fig. 47. 



Subcovered-perforate, with elevated spiral ribs, with the inter- 

 stices decussated by smaller spiral lirse and incremental striae, epi- 

 dermis olivaceous brown; whorls 3, rapidly increasing, the last 

 angulated round the umbilicus. Length, 7 mill. 



Western Ghats, near Bombay, India. 



C. CONICUS, Blanford. PI. 46, figs. 44-46. 



Imperforate, solid, whitish, often with a chestnut band above the 

 periphery, epidermis olivaceous, not shining, suture deep ; whorls 

 5, convex, the last subangulate at the periphery ; aperture fulvous 

 or whitish, often banded. Length, 8-9*5 mill. 



Torna, near Poona, India. 



L. Fairbanki, Blanford (fig. 45), appears to be a synonym. 

 Var. CANALICULATUS, Blanford. Fig. 46. 



Suture channeled, the whorls acutely carinate at the top. 



Var. EDECOLLATA, Nevill. 



Stoliczka considered C. conicus a variety of the next species, and 

 Nevill believes this probable. 



C. CARINATUS, Layard. PI. 46, fig. 43. 



Subperforate, solid, whitish, with a chestnut band above the 

 periphery, carinated at the periphery and suture, with a sutural 

 channel ; whorls 5, rapidly increasing ; aperture whitish, chestnut 

 banded. Length, 7'5 mill. 



Mahableshwar, India. 



The preceding species, perhaps, ought to be united with this. 



Var. GIGANTEA, Nevill. 



Bombay Presidency, India. 



Genus TECTARIUS, Val., 1833. 



T. PAGODUS, Linn. PL 47, fig. 48. 



Spirally tubercularly ribbed, the tubercles in oblique longitudi- 

 nal series, last whorl encircled by two spinose carinse, those of the 

 spire by one, yellowish white, often stained with chestnut brown, or 

 the spiral sculpture lineated with that color ; columella white, 

 slightly tuberculated below, aperture ridged within. 



Length, 2*5 in. 



Australia, Moluccas, Ceylon, Zanzibar. 



T. bicolor, Lam., is a synonym. 



