pusiA. 195 



T. SEMICOSTATA, AlltOU. 



Chestnut-brown, l)l()t('lu'(l with wliitc on the spire. 



Length, -5 inch. 



Habitat unknown. 



The sculpture appears to be different from that of T. tricolor: 



it is a doubtful species. 



T. CoLUMBELLARiA, Scacchi. PI. 51, figs. 641, 653. 



Yellowish to dark chocolate ; revolving striae becoming obso- 

 lete in the middle of the l)ody-whorl ; columella with two plaits. 



Length, -25 inch. 



Mediterranean Sea. 



Referred by some authors to the genus Colunibella. The 

 synonyms are T. obsoleta, Phil. ; T. olivoidea^ Cantraine ; T. 

 C'landestina, Forbes (fig. 641) ; T. leontocroma, Brusina; T. stria- 

 tella, Calcara; T. Greci, Phil. (fig. 653), a Sicilian fossil. 



Three little Mitras are published by Brusina without figures : 

 M. columbulse, M. striata, and M. typostigma, all from Dal- 

 matia ; they are possibly all referable to this species. 



T. suAVis, Souverbie. PL 51, fig. 648. 



Rose-color, with a broad white band maro-ined with chestnut. 



Length, 5 '5 mill. 



JS'ew Caledonia. 



T. Hanleyi, Dohrn. PL 51, fig. 654. 



Gray, maculated and banded with chestnut ; closely plicate 

 longitudinally, with a median spiral sulcus, tuberculate at base. 



Length, 5*5 mill. 



Habitat unknown. 

 Said to resemble T. Columbellaria, but distinguished by its 

 sculpture. 



T. coRALLiNA, Recvc. PL 51, fig. 655. 



Amber or coral-red, ribs whitish. Length, -6 inch. 



Pliilippines. 



T. pusiLLA, A. Adams. PL 51, fig. 649. 



Yellowish white, banded above with orange or pink. 



Length, '5 inch. 



Habitat unknown. 



