T. pusio, Pliilippi. 



Longitudinally costate, nodnloiis abovi', i^ranular at base, with 

 rcvolvino- iniprossed stria' ; white, with a narrow clicstimt fcnli-al 



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



l[<tb. unkno/r/i. 

 iXn unligured species, omittiid by the iconographers, and 

 unknown to me except by the sliort description. 



T. VAKiATA, Keeve. PI. 5fi, fig. (535. 



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

 with dark margins below the middle. Length, 't inch. 



Pnvmotus and Viti Islands, coral reefs. 



Animal light broAvn, spotted with j'ellow'ish Avhite. T. Jrater- 

 cida, Garrett, is a synonym. 

 T. DiscoRS, Grandidier. PL 50, ligs. 636, 687. 



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



periphery with a narrow Avliite l)and, lower half of body-whorl 



chestnut-brown. Length, "6 inch. 



Caroline Islands (Pease). 



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

 changed by Pease to T. lubrica (fig. 637). 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-wdiorl with close impressed revolving stritv ; 

 aperture j^ellowish within. Length, •6--75 inch. 



Bed Sea, Philippines, China, Polynesia, Mauritius. 



Mr. Garrett mentions a variety occurring at the Paumotus, 

 having a slate-colored band articulated with orange-3'ellow. I 

 unite with this species 31. ti(berculata, Kiener, M.fraga, Kiener 

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

 juvenile, and 31. cancellarioides, Anton. 



T. TUSA, Reeve. PL 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 Sandioich Is. ; Bed Sea. 



Animal greenish white, marbled with chocolate-brown. 

 25 



