14 SIMPULUM. 



T. LINEATUS, Brod. PI. 8, fig. 51. 



Yellowish brown, the raised revolving lines chestnut-brown ; 

 columella and aperture chocolate, the plications white. 



Length, 2'25 inches. 



Galapagos Isles, in sand ; 6 fathoms. 



T. GBANULATUS, Dunker. 



An unfigured species. 35 mill, in length, from Bass' Straits. 

 Australia. Said to belong to the group Simpulum. I cannot 

 indentify it. 



T. CONTABULATUS, Anton. 



Unfigured and not identified ; placed by the author in his 

 " pileare" group. 



T LIROSTOMUS I Described by Mr. Arthur Adams in Ann. Mag. 

 T. PAPILLOSUS Nat. Hist. 1870. All from Japan. No figures, 

 T. TRINGA ( dimensions, nor comparative characters are 



T. NODILIRATUS, 



given ; so that I am unable to give an opinion 

 as to their novelty. 



The species of this group approach more nearly to the Doliida? 

 in form and sculpture than any other Tritons. 



T. TRANQUEBARICUS, Lam. PL 8, figs. 52, 53. 



Light yellowish brown, the revolving ridges chocolate-brown ; 

 whitish within. Length, 1*25 to 2 inches. 



W. Coast Africa; Went Indies. 

 T. POULSENII, Morch. PL 8, fig. 54. 



Thin, inflated, orange-brown ; white within the aperture ; lip- 

 teeth orange color. Length, 2 inches. 



West Indies. 



Two specimens in the Swift Cabinet (Mus. Philad. Acacl.). It 

 is possibly a variety of T. cingulatus, although much more 

 inflated and with shorter canal than the typical form of that 

 species. Very much like the genus Dolium in its general 

 appearance. 



