204 TRIVIA. 



T. PRODUCTA, Gask. PI. 22, figs. 25, 26. 



Ovate, sides a little dilated, extremities peculiarly produced, 

 ribs fine. Length, '5 inch. 



Borneo; Agulhas Bank, S. Africa ; Australia. 



T. PELLUCIDULA, Gask. PI. 22, figs. 31, 32. 



Ovate, extremities produced, ribs very fine, aperture narrow 

 and nearly straight. Length, '18--3 inch. 



Pacific Ocean. 



T. BREVISSIMA, Sowb. PI. 21, figs. 90, 91. 



Differs from T. globosa, which it closely resembles, in having 

 no dorsal impression. Length, -2 inch. 



Hab. (?) 

 ** Shell pinkish, sometimes spotted. 



T. RUBINICOLOR, Gask. PI. 22, figs. 27, 28. 



Ovate, extremities obtusely produced and tinged rose-red, 

 ribs fine. Length, *25-'4 inch. 



Ceylon, Borneo. 

 T. AFFINIS, Marrat. PI. 23, figs. 40, 41. 



Oblong-ovate, pale, with indications of color, extremities pro- 

 duced, broad, ribs rather coarse. Length, '3 inch. 



Hab. (?) 



The type specimens were found in a dealer's stock of West 

 Indian shells, but as no collectors have reported it from that 

 locality, and as the shell closely resembles T. Pacifica, except 

 in the absence of any dorsal impression, I am inclined to think 

 it belongs to a Pacific fauna. 



T. RUBESCENS, Gray. PI. 23, figs. 42, 43. 



Globosely ovate, pale pinkish or reddish, ribs fine. 

 Length, -3-'4 inch. 



Galapagos I. 

 Somewhat of the form of T. candidula, Gask. 



T. FORMOSA, Gask. PI. 23, figs. 44-47. 



Globose, thin, rather inflated ; whitish, delicately suffused 

 with rose, ribs and teeth numerous, fine. Length, about '5 inch. 



Cape of Good Hope. 



T. multilirata, Sowb. (figs. 46, 47), credited to the Adriatic, 



