TURP.o. 201 



T. HISTRIO Reeve, 1848, PL 62, fig. 2. 



"Shell somewhat globose, swollen, imperforated, sutures of the 

 spire excavately channelled, spirally ridged, ridges very finely lam- 

 iniferous, sqimmate, scales strong, erect ; snowy-white, broadly rayed 

 with orange-rust color. Interior silvered." (Reeve.) 



Alt. 45, diam. 40 mill. 



Habiidi HII I: n on- n. 



I can add nothing to Reeve's description and figure of this species. 



T. SPECIOSUS Reeve, 1848. PL 62, fig. 14. 



" Shell ovate, scarcely urnbilicated ; spire somewhat raised ; whorls 

 rounded, encircled throughout by very beautifully closely scaled 

 ridges ; yellowish ; ridges here and there bright green ; interior sil- 

 vered." (Reeve.} 



Australia. 



Closely allied to T. radiatus ; and probably only a variety of that 

 species. 



T. FOLIACEUS Philippi, 1846. PL 46, fig. 9. 



Shell pointed-ovate, solid, umbilicate, greenish, longitudinally 

 flammulate with black ; spire conic, pointed ; whorls 6, very convex, 

 separated by canaliculate sutures ; last whorl with about nine rather 

 separated line, the whole surface covered with crowded elevated 

 s.ibfbliaceus radiating lamelke; aperture round, half the length of 

 shell or less ; peristome usually nearly free from body whorl above, 

 fl ited ; columella excavated at the deep and prominent umbilicus. 



Alt. 40, diam, 33 mill. 



Torres Straits; Port Essington; Port Darwin, Australia. 



Operculum (pi. 59, figs. 11, 12.) with subcentral nucleus; outside 

 green, granulate, wrinkled on outer margin, with a radial sulcus 

 marking the limit of the margin of increment. 



The synonymy includes T. foliaceus Hombr. et Jacq., T. lamhiij- 

 erus Reeve, T. famellostis Phil., and T. squamosus Gray. 



T. IXTERCOSTALIS Menke, 1846. PL 45, fig. 98 ; PL 46, fig. 4 ; pi. 



62, fiv 7. 



Shell ovate-conic, solid, perforate, green or gray, radiately flam- 

 mulate with black, green or brown, -sometimes unicolored ; whorls 

 6, convex, sometimes subangulate above, w r ith numerous unequal re- 

 volving lira and obsolescent incremental striae ; aperture round, the 



vo 



