PUSIA. 1 93 



T. PUSIO, Philippi. 



Longitudinally costate, nodulous above, granular at base, with 

 revolving impressed striae ; white, with a narrow chestnut central 



band interrupted by the ribs. Length, '35 inch. 



Hab. unknown. 



An unfigured species, omitted by the iconographers, and 

 unknown to me except by the short description. 



T. VARIATA, Reeve. PI. 56, fig. 635. 



Yellowish brown with a dark superior band, and a white band 

 with dark margins below the middle. Length, '1 inch. 



Paumotus and Viti Islands, coral reefs. 



Animal light brown, spotted with yellowish white. T. f rater- 

 cula, Garrett, is a synonym. 

 T. DISCORS, Grandidier. PI. 56, figs. 636, 631. 



Spire and upper half of the body-whorl lilac or yellowish white, 

 periphery with a narrow white band, lower half of body-whorl 



chestnut-brown. Length, '6 inch. 



Caroline Islands (Pease). 



I unite with this species T. glabra, Pease (not Swains.), 

 changed b}^ Pease to T. lubrica (fig. 631). The original descrip- 

 tion in Kiister has no locality, and the figure is poor, though 

 recognizable. 

 T. NODOSA, Swainson. PI. 56, figs. 638-641. 



White, sometimes with a central brown band or row of spots 

 interrupted by the tubercles, which cover the entire surface ; 

 upper part of body-whorl with close impressed revolving striae ; 

 aperture yellowish within. Length, *6 '15 inch. 



Red Sea, Philippines, China, Polynesia, Mauritius. 



Mr. Garrett mentions a variety occurring at the Paumotus, 

 having a slate-colored band articulated with orange-yellow. I 

 unite with this species M. tuber culata, Kiener, M.fraga, Kiener 

 (fig. 640), not Quoy, M. pinguis, Reeve (fig. 641), which is a 

 juvenile, and M. cancellarioides, Anton. 



T. TUSA, Reeve. PI. 56, fig. 642. 



Spire and upper portion of body-whorl white, with occasional 

 brown spots, lower portion of body-whorl brown. 



Length, '4 inch. Philippines to Sandwich Is. ; Red Sea. 



Animal greenish white, marbled with chocolate-brown. 

 25 



