174 COSTELLARIA. 



T. FUSCONIGRA, Garrett. 



An unfionred species, dark, brownish black, with a superior 



■white spiral line. Length, 18 mill. 



Viti Isles. 



Three dead specimens found. I am not acquainted with it ; 

 appears to be closely allied to the preceding species. 



T. SEMiFASciATA, Lam. PL 51, figs. 4T2, 473. 



Yellowish white or ash-gray on the upper part of the jvhorls, 

 darker ash or orange on the lower part, encircled b^'two or three 

 narrow chestnut lines. Length, •75-r25 inches. 



Red Sea, Philippines, Polynesia. 



T. sj:misculpta, Ad. and Reeve. PL 51, fig. 474. 



Ash color tinged with pink, with a light, narrow revolving 



band on the peripher}^ Length, -9 inch. 



Sooloo Isles, Japan. 



T. MUCRONATA, Swainson. PL 51, figs. 475-479; PL 52, figs. 

 480-482. 

 Whitish or 3'ellowish, stained, spotted or irregularly banded 

 with light chestnut. Length, 1-1*25 inch. 



Red Sea; Polynesia ; in sand, inside the reefs, shallow water. 



Mr. Garrett says the animal is a rich brown, irregularly dotted 

 with yellow on the back, the creeping disk cinereous, the siphon 

 dusk}' with 3-ellowish spots. 



The shell varies considerably in proportions and in the develop- 

 ment of the spinose tubercles; a smoother form is T. concentrica^ 

 Eeeve, (fig. 47G). I add as synonyms T. fusifo7-mis, Reeve, not 

 Kiener (fig. 477) ; T. obtusispinosa, Sowb. (fig. 478) ; T. echinata, 

 A. Ad. (fig. 479) ; T. nodilirata, A. Ad. (fig. 480); T. fusiformis, 

 Chemni. (fig. 481 ^ ; a narrow variety, which, through T. Dohrni, 

 A. Ad. (fig. 482), approaches T. fusiformis., Kiener. 



T. VERRUCOSA, Reeve. PL 52, fig. 483. 



Yellowish white, spotted or banded with pale brown. 



Length, 1 inch. 



PhiUp2yine<t. 



Closely allied to the preceding species, of which it may prove 



to be a variety. 



