GASTEROPODA. 20 



115. R. plicata, sp. nov. Elongated ; whorls six ; spire whorls 

 with two, body whorl with about five, spiral ribs ; spire and posterior 

 part of body whorl transversely plicated ; mouth round. White. 

 Length, '15 ; breadth, '05. 



Stewart's Island. 



116. R. purplirea, &p. nov. Elongated; whorla six, flat, not 

 polished, sutures obscure ; aperture round. Spire purple or purplish 

 red, with a posterior spiral white band ; body whorl yellowish, also 

 with a posterior white band at the suture. Length, - 1 ; breadth, '05. 



Stewart's Island. 



117. R. impolita, sp. nov. Ovate ; whorls four, rounded, finely 

 spirally striated; mouth ovate. "White, not polished. Length, - 1 ; 

 breadth, 'GO. 



Stewart's Island. 



118. R. FOSea, sp. nov. Ovate ; whorls four, rather flat, smooth, 

 polished; mouth round. White or bright pink. Length, '07; breadth, 

 05. 



Stewart's Island. 



FAMILY TUEEITELLID^:. 



Shell tubular or spiral, upper part partitioned off ; aperture 

 simple ; operculum horny, rnany-whorled ; muzzle short ; eyes at the 

 outer bases of the tentacles ; foot very short. 



TURRITELLA. 



Elongated, many-whorled, spirally striated ; aperture rounded, 

 margin thin ; operculum with a fimbriated margin. 

 World-wide. 



119. T. (HaUStator) rOSea, Quoy, I.e., ii., p. 136 ; T. lineo- 

 luta, Kiener. Whorls flattened, spirally striated, the ribs of unequal 

 sizes, generally several small ones between bigger ones, at irregular 

 distances ; sutures deep in the anterior whorls only ; mouth sub- 

 quadrate. Reddish brown, or yellowish ; finely, spirally banded with 

 purplish brown. Length, 35 ; breadth, '95 ; angle of spire, 20. 



Common. Chatham Islands. 



120. T. (HaUStator) flllHlinata, sp. nov. Whorls flattened 

 in the centre, sutures deep ; finely spirally striated throughout ; 

 mouth sub-quadrate. White with longitudinal undulating markings 

 of pinkish brown. Length, 1'2: breadth, '3 ; angle of spire, 18. 



Great Barrier Island. 



121. T. (HaUStator) Vittata, sp. nov. Whorls flattened, 

 sutures generally scarcely showing ; finely spirally striated ; mouth 

 sub-quadrate. Yellowish white with distant spiral brown bands, about 

 four on the base. Length, 1 P 8 ; breadth, '5 ; angle of spire, 15. 



122. T. (Zaria) pagpda, Reeve. Whorls flattened, finely, 

 equally, spirally striated ; spire whorls with one, and body whorl with 

 two, anterior strong spiral ribs; sutures not excavated ; mouth sub- 



