﻿SILIQUARIA.— Pi.ATK IV. 



Species 13. (Mus. Brit.) 



SiMQUARiA TAniETENSls. Sil. testd Imvigatd, pallid'c 

 fulvd; tiibd angustd, laxe emiiorid, liratd, inter 



liras r.aucellatd ; fissurd npirali angustd, mnplid. 

 Thk Tahitian SiLicjUARU. Shell smooth, pale, 



fulvous; tube narrow, loosely twisted, ridged, 



cancellated between the ridges ; spiral fissure 



narrow, simple. 

 MoRCH. Proc. Zool. Soc. 

 Hah. South Seas. 



We have only a fragment of this species, which M. 

 Morch describes as differing from Sil. lactea in the 

 greater size, the stronger ridges, the cancellated in- 

 terstices, and the 



Species not known, 

 dubius, Dffrani- ; Sil. gigas, Lisson ; Sil. porosa, 

 Bor.h; Sil. (Ten.) AquWlss, Mdrch : Sil. (Ten.) 

 cylindrella, MurcK: Sil. (Pyxipoma) Mobii, 

 Mi}rch. 



