20 Mr. R. B. Hinds's Descriptions of new Shells. 



termediate series is about to make its appearance on the one 

 or two inferior whorls. 



S 19. T. affinis. Testa fusca albo marmorata, prsecipue serie granulo- 

 rum inferiore ; anfractibus tridecim triseriatim granulosis ; serie- 

 bus sequalibus suturam offerentibus ; apertura subquadrata. Axis 

 3$ lin. 



Geog. St. Vincent's, West Indies, Rev. W. J. Guilding. Cab. Gray 

 et Metcalfe. 



Nearly allied to T. marmoratus. 



y/ 20. T. castus. Testa parva ; anfractibus duodecim, biseriatim ele- 



ganter granosis ; serie inferiore parva fusca, superiore maxima mar- 

 garitacea ; apertura rotunda ; sinu laterali postico tubiformi. Axis 

 2 lin. 



Geog. St. Vincent's, West Indies ; Rev. W. J. Guilding. Cab. 

 Gray et Metcalfe. 



21. T. ccelebs. Testa ovali; anfractibus undecim triseriatim granu- 

 losis ; serie media fusca, alteris albidis ; sutura sulcata ; apertura 

 subquadrata ; sinu laterali subnullo. Axis 4 lin. 



Geog. Pacific Ocean ? Cab. Metcalfe. 



22. T. cemulans. Testa albida ; anfractibus duodecim biseriatim gra- 

 nulosis, medio carina minima granosa fusca ; sutura carinulata ; 

 apertura subquadrata ; sinu laterali patulo. Axis 5 lin. 



Geog. Pacific Ocean ? Cab. Metcalfe. 



23. T. concinnus. Testa ovali elongata ; anfractibus novem triseria- 

 tim granulosis ; serie media minima, inferiore fusca, superiore cor- 

 nea. Axis 3§ lin. 



Geog. Pacific Ocean ? Cab. Metcalfe. 



The manner in which the series of markings of the spire are 

 repeated in the last whorl is well seen in this species, where 

 the handsome dark spiral line resulting from the lower series 

 is again twice repeated ; so that the last whorl has really five 

 series of granules. 



24. T. tristis. Testa ovali elongata, ferruginea ; anfractibus tridecim 

 biseriatim granulosis ; serie superiori paululum maxima et albida ; 

 anfractu penultimo serie tertia minima. Axis 3 lin. 



Geog. ? Cab. Gray. 



25. T. clemens. Testa cornea nitenti; anfractibus quindecim trise- 

 riatim granulosis ; serie media parva ad inferiorem appropinquante, 

 inferiore prominulo-margaritacea ; anfractus ultimi granulis parvis ; 

 sutura sulcata; apertura rotunda ; sinu laterali patulo. Axis 3 lin. 

 Geog. Straits of Malacca ; from 20 fathoms, mud. 



26. T. Carteretensis. Testa pallida ; anfractibus quatuordecim tri- 

 seriatim granulosis, serie media minima, infra duas superiores sul- 

 catis ; apertura subquadrata ; sinu laterali patulo. Axis 3 lin. 

 Geog. Port Carteret, New Ireland ; among fine gravel at low water. 



