TEREBRA. 23 



is probably a synonym. T. cinctella, Desh., an unfigured spe- 

 cies, is added by Reeve. 

 T. PERTUSA, Born. PI. 6, figs. 5, 7. 



Longitudinally finely plicate, interstices punctate spirally; 

 orange-brown, the interstices of the tubercles on the sutural 



band chocolate. Length, 3 inches. 



Darnley Isl., Australia. 



T. Bermonti, Lorois (fig. 7), is a synonym. It is said to in- 

 habit Tahiti. 



T. NEBULOSA, Sowb. PI. 6, fig. 9. 



Longitudinal ribs rounded obtuse, close, curved, interstices 

 spirally grooved, sutural band defined by a punctate groove ; 

 longitudinally clouded with reddish orange and white, with a 

 white band on the periphery. Length, 3 inches. Zanzibar. 



T. ALVEOLATA, Hinds. PL 5, fig. 87. 



Longitudinal plicae curved, the interstices spirally striate ; 

 flesh-color, stained with orange-brown, with a row of alternate 

 chestnut and white spots on the sutural band, and another on 

 the white-banded periphery. Length, 37 mill. 



Straits of Malacca ; Japan. 

 Yar. GOTOENSIS, Smith. PI. 5, figs. 85, 91. 



Sculpture said to be finer than in T. alveolata, the band on the 

 periphery unspotted. From Japan. It is very doubtful whether 

 to these forms ought not to be united T. amcena, Desh. 



T. POLYGYRATA, Desh. PI. 7, fig. 10. 



Closely ribbed, interstices linearly grooved, sutural band de- 

 fined by a pricked groove ; fulvous orange, white at the sutures, 

 with a white band on the periphery. Length, 13 mill. 



Philippines (Cuming) ; Japan (Smith). 



A small shell with numerous whorls, perhaps not distinct from 

 T. cancellata. 



T. POLYGONIA, Reeve. PI. 7, fig. 15. 



Strongly varicosely ribbed, ribs rather distant, interstices 

 concave, spirally linearly grooved, sutural band distinct ; fulvous 

 brown. Length, 10 mill. 



Hab. unknown (Taylor Coll.). 



I am not acquainted with this species. 



