TRIFOR1S. 183 



shadowed, according to Hinds, in some of the specimens of the 

 typical ruber. T. distmctus (fig. 15) and T. Adamsi (fig. 16), of 

 Deshayes, from the Isle of Bourbon, may be considered identical 

 with T. roseus. 



T. VULPINUS, Hinds. PI. 38, fig. 17. 



Whorls 14, with three nodulous spiral carinse, blackish, the 

 lower carina white. Length, 6'5 mill. 



New Ireland. 



T. MONILIFER, Hinds. PI. 38, fig. 18. 



Whorls 10, biseriately spirally granular, the upper series white, 

 the lower one articulated in the intervals with chestnut or chocolate. 



Length, 6 mill. 



Straits of Malacca* 



T. GRANULATUS, Ads. and Reeve. PL 38, fig. 19. 



Whorls 12-14, yellowish white, with three crowded spiral series 

 of nodules five series on the body-whorl. Length, 6 mill. 



China Sea. 



T. SUTURALIS, Ads. and Reeve. PI. 38, fig. 20. 



Whorls 12-13, pellucid white, with three spiral series of granules, 

 suture channeled, smooth, body whorl with an additional smaller 

 series of granules and smooth base. Length, 6 mill. 



China Sea. 



T. SPECIOSUS, Ads. and Reeve. PL 38, fig. 24. 



Whorls 18-20, biseriately nodose, the upper series much the 

 largest ; whitish, with an orange-red line below the upper series of 

 nodules. Length, 8 mill. 



China Sea. 



T. ACICULA, Issel. PL 38, fig. 25. 



Whorls 14, with two series of small granules and a wide, shallow 

 interspace on each whorl, suture deeply channeled. 



Length, 3'5 mill. 



Red Sea. 



T. CLEMENS, Hinds. PL 38, fig. 21. 



Whorls 15, triseriately granose, the middle series minute, the 

 lower one large ; yellowish corneous, the granules paler. 



Length, 6'5 mill. 



Straits of Malacca. 



