28 TIARID.D. 



well channelled at the base, a thiu milky callus on tlie columellar 

 margin, within pale grey with two or more bands of brown 

 coinciding with the rows of spines and the corded surface of the 

 outer base. 



Operculum paucispiral, nucleus subcentral. 



Animal 1"4 in. long ; foot round and large, not angular in 

 front ; colour grey, mottled with ochre ; body also grey, the ochre 

 markings showing as streaks ; tentacles very short, 0*4 inch. 



Alt. 58, diam. 30 mm. 



Aperture : alt. 26, diam. 17 mm. 



Hah. Kopili River, Xorth Cachar Hills, a tributary of the 

 Brahmaputra. 



45. Tiara (Melanoides) baccifera, Theobald. 



Tiara {Melanoides) baccifera (Theobald), J. A. S. B. xxxiv, 1866, 



pt. 2, p. 274, pi. 9, fig. o (as M. variabilis, var. baccifera). 

 Melanoides subasperata, Nevill, Hand List, pt. 2, p. 262. 



Differing from M. variahiUs in having the " whorls ornamented 

 with four or five rows of beaded keels, the transverse ribbing being 

 often well marked likewise" (Theohald). The small and circular 

 aperture is also a distinctive character. 



Alt. 47'5, diam. 18*75 mm. 



JIab. Shan States. 



A^ar. sublaevigata, NeciU, Hand List, pt. 2, p. 262. 



A rather smoother form. 



JIab. " Burma "' (Stoliczl-a) ; Shan States (Fedden). 



Var. vittata (Theobald), J. A. S. B. xxxiv, 1806, pi. 9, tig. 4, 

 p. 273 (as J/, variabilis, var. vittata) ; ]N^evill, Hand List, pt. 2, 

 p. 263. 



Shell smooth, with somewhat convex whorls, rather pale in 

 colour, ornauieuted with a dark median band which becomes 

 obsolete on the last w horls ; it is, however, well marked on the 

 earlier convolutions. 



Alt. 50, diam. 18-30 mm. 



Hub. Shan States {Fedden). 



46. Tiara (Melanoides) jugicostis (Benson). 



Tiara (Melanoides) jutjicostis (Benson), MS. (Ilanley & Theobald), 

 Conch. Ind. 1876, pi. 110, tigs. 8, 9; Xevill, J. A. S. B. xlvi, 

 1877, pt. 2, p. 3:J. 



" Shell small, slightly decollated ; whorls five, abruptly angular, 

 smooth and shining, with a few rather distant, somewhat obsolete 

 and irregular, transverse ridges on the lower half of the last 

 whorl ; longitudinally angularly ribbed, ribs very distant, thick 



