SCTER : NEW ZEALAND TEOCHIPiE. 



273 



CJ/n/sostoiua mnulata, Iliitton : Cat. Mar. Moll., 1873, p. 36. 

 Giblula simulata, Hutton : Man. New Zealand Moll., p. 102. 

 CantJiaridus siinnlalus, Hutton : Proc. Linn. Soc. New South Wales, 

 vol. ix, p. 363. 



Shell conical, imperforate, shining, cinereous, pink or pinkish- 

 brown, usually with white markings near the suture or tessellated 

 with white, sometimes a broad dark-brown band encircling the middle 

 of the whorls, and one on the centre of base ; finely, spirally striated. 

 Whorls 6, slightly conyex, the last obtusely angled at the periphery 



'I 



Caniharidus dilatatus (Sby.). 



and considerably expanded. Aperture oblique, subrotund ; outer 

 lip strengthened by an inner, white callosity, interior highly bluish- 

 green, iridescent. Columella regidarly arched, broadly expanded, and 

 completely coyering the umliilicus. Base slightly convex. Alt. 9, 

 diam. 8 mm. 



Hal. — Hokiauga ; Auckland ; Cook Strait ; Chatham Is. On sea- 

 weeds near low- water mark ; scai'ce. 



By comparing specimens in the Canterbury IMuseum, I haye satisfied 

 myself as to the undoubted identity of Eknchm dilatatus, Sby., with 

 Cayitlmridm simulatusj Hutton. 



23. Canthaeidus eufozona, A. Adams. 



Canthiridiis rufozona, A. Ad. : Proc. Zool. Soc, 1851, p. 170. 

 Canthandiis rufozom, A. Ad. : Hutton, Man. New Zealand Moll., 

 p. 101 ; Pilsbry, Man. Conch., ser. i, yol. xi, p. 150. 



Shell globosely conoidal, small, rather thin, imperforate, white or 

 cinereous with distant rufous or pinkish-brown spiral ribs, 5 on the 

 penultimate-, 13 on the body- whorl. Whorls 6, scarcely conyex, the 

 body-whorl rounded at the periphery. Suture impressed. Interstices 

 between the ribs smooth. Aperture subquadrangular, outer lip slightly 

 indented, sharp, articulated with pinkish-brown, with an inner opaque 

 white band, interior iridescent. Columella vertical, white, slightly 

 toothed in the middle ; columellar expansion small, but perfectly filling 

 up the umbilicus. Base convex. Alt. 6, diam. 5 mm. 



Hah. — Near Auckland. The specimens in my collection were only 

 lately collected and given to me by Mr. Charles Spencer, of Auckland. 

 I have not seen this species before. 



Pilsbry states, " Habitat unknown," but Captain Hutton (I.e.) states 

 that he added the species to our list on the authority of ]Mr. E. A. 



VOL. II.— NOVEMBER, 1897. 1^ 



