TEKEBEA.— Plate XIX. 



taneis obliquis oingulatd, anfractibus declivi-convexis, 



arcnatim tenuiplicatis, sitlco superne divisis, plicis 

 pallidioribus ; aperturd parviusculd, columella redd, 

 breviusculd. 



The dog's collar Terebra. Shell acuminately tur- 

 reted, olive-brown, sliiuing, encircled at the sutural 

 margin with oblique chestnut spots, whorls slopiugly 

 convex, arcuately finely plicated, divided by a groove 

 at the upper part, plaits paler ; aperture rather small, 

 columella straight, rather short. 



Hinds, Pro. Zool. Soc. 1813, p. 151. 



Huh. Guinea (on the sands) ; Humphreys. 



An extremely beautiful and characteristic species, of an 

 olive or bright shining brown, encircled throughout be- 

 neath the suture with a collar of obliquely square chestnut 

 spots. 



Species 93. (Fig. a, b, Mus. Cuming.) 



Terebra spectabilis. Ter. testa elongato-turritd, plum- 



beo-caruled aid purpureo-fuscd, fascia alba oingulatd, 

 anfractibus convexis, longitudinaliter plicatis, superne 

 sulco et depressione latiusculd divisis, plicis supra el 

 infra graniformibus ; aperturd oblongd, parviusculd, 

 fa nre easlnueo-fuscd, columella redd, ad basin carinatd 

 el leviter recurvd. 

 The graceful Terebra. Shell elongately turreted, 

 leaden-blue or purple-brown, encircled by a white 

 band, whorls convex, longitudinally plicated, divided 

 at the upper part by a groove and by a rather broad 



depression, plaits above aud below grain-like ; aper- 

 ture oblong, rather small, interior chestnut-brown, 

 columella straight, keeled and slightly recurved at 

 the base. 



Hinds, Pro. Zool. Soc. 1843, p. 150. 

 Terebra ijeminata, Deshayes. 



Hub. Guinea (on the sands) ; Humphreys. Sumatra (on 

 the sands) ; Cuming. 



A gracefully convoluted species, encircled by a marked 

 depression, next which the plaiis, both above aud below, 

 are as it were grain-tipped. M Deshayes' T. geminata is 

 a purple-brown variety of smaller size, from Natal. 



Species 91. (Mus. Cuming.) 



Terebra addita. Ter. testa subcylindraceo-turrild, al- 

 bido-grised, obscure fasciatd, anfractibus convexo-pla- 

 natis, longitudinaliter dense plicatis, superne sulco de- 

 presso divisis; aperturd oblongo-ovatd, parviusculd. 

 columella redd. 



The added Terebra. Shell somewhat cylindricallj 

 turreted, whitish-grey, obscurely banded, whorls con- 

 vexly flattened, longitudinally densely plicated, di- 

 vided at the upper part by a depressed groove ; aper- 

 ture oblong-ovate, rather small, columella straight. 



Deshayes, Journ. de Conch. 1857. 



Hab. Tasmania. 



This comes very near the preceding species, but tin 

 whorls are flatter and fewer, and the spiral depression is 

 less defined. 



