GASTEROPODA.. 39 



* 169. Z. SCitulllS, Adams. Shell umbilicated, tumidly conical, 

 rather thin, orange fulvous, minutely articulated with crimson dots, 

 and here and there flaked with white ; whorls convexly sloping, spirally 

 striately ridged; ridge next the suture larger. {Reeve.) 



* 170. Z. punetulatUS, Marti/n; Gray, Dicf.NZ., ii., p. 237. 

 Shell ovately conical, imperforate, rust white, dotted in rows with red 

 and white ; whorls seven, slopiugly rounded ; gemmed throughout with 

 rows of granules ; narrowly caualiculately impressed at the suture ; 

 aperture obliquely ovate, nearly circular. (Reeve.) 



CANTHARIDUS. 



Ovate, conical ; whorls slightly keeled ; columella with a small tooth 

 in front ; outer lip entire ; throat smooth ; mouth sub-ovate, rather 

 elongate ; operculum circular. 



A ustralia. 



171. C. iris, Chemnitz; Elenclms iris, Gray, Dieff. N.Z., ii., p. 

 239. Whorls slightly rounded, smooth, spirally striated, body whorl 

 more or less keeled. Pinkish, with irregular longitudinal zig-zag red 

 markings, apex often transversely banded with white. Length, T3 ; 

 breadth, I'l ; angle of spire, 50. 



Common. 



The young shell is perforated, but the perforation gets covered over 

 by a callous expansion. 



172. C. purpuratlis, Lamark, i~s.., p. 158; Elenclms purpuratus, 

 Gray, Dieff. N.Z., ii., p. 239. Whorls slightly rounded, smooth, 

 spirally striated ; body whorl slightly keeled ; imperforate. Purple, 

 or pinkish purple, with irregular longitudinal zig-zag reddish purple 

 markings. Length, 1'S ; breadth, 14; angle of spire, 50. 



173. C. elegans, Gmelin; Elenclms elegans, Gray, Diejf. N.Z., 

 ii., p. 239. Whorls slightly rounded, rough, spirally grooved and 

 obliquely striated ; body whorl slightly keeled ; imperforate. Rose 

 pink or pinkish white, with longitudinal flexuous streaks of rose pink. 

 Length, I'l ; breadth, 7 ; angle of spire, 50. 



ELENCHUS. 



Conical, imperforate ; spire elevated, pointed ; whorls flattened, 

 smooth, polished ; aperture oval, sub-triangular ; columella with a 

 tooth near the middle ; outer lip thickened interiorly. 



Australia. 



* 174. E. dilatatUS, Sowerby, Proc. Zool. Soc., 1870, p. 251. 

 Shell short, sub-cinereous, rather distantly spirally ribbed, spire short, 

 whorls four, the last broad ; aperture dilated, greenish blue, iridescent. 

 Kemarkable for the expansion of the last whorl. (Sowerby) 



New Zealand (M. Brazier). 



BANKIVIA. 



Conical, spire elevated, whorls smooth ; aperture sub-quadrangular, 

 not pearly inside ; columella twisted, simple. 



