8 



GASTEEOPODA. 



and produced into a short canal in front ; columella with three strong 

 nearly transverse folds, and another obsolete one below them. Axis, 

 •45 ; breadth, -18. 



Localities. — Awamoa. 



51. M. albescens, Sutton, Cat. Marine Moll., p. 19. 

 Localities. — Awamoa. 



52. M. dubia, sp. nov. Ovato-cylindrical ; spire short ; smooth ; 

 outer lip slightly thickened. Axis, '6 ; breadth, -3. 



Localities. — Broken Eiver (l) ; Chatham Islands. 



53. M. ventricosa, sp. nov. Ovato-ventricose ; spire very 

 short ; smooth ; outer lip thickened, strongly dentate ; columella 

 plaited. Axis, '65 ; breadth, '5. 



Localities. — Broken Eiver (l). 



VOLVARIA. 



Sub-cylindrical, spire ohsolete, aperture narrow, dilated anteriorly; 

 columella with four oblique plaits ; outer lip slightly thickened. 



54. V. ficoides, sp. nov. Ovato-pyriform ; smooth ; whorls four ; 

 spire not exserted ; aperture narrow, outer lip inflected. Axis, 1"1 ; 

 breadth, -85. 



Localities. — Oamaru. 



Family — Cassidid^. 

 CASSIS. 



55. C. pjrrum, Lamarh ; Cat. Marine Moll. ^ p. 20. 



Localities. — "Wanganui (u). 



56. C. striatus, s^. nov. Ovato-ventricose ; spire rather con- 

 cave ; body whorl obsoletely plicated in front, and distantly spirally 

 striated ; spire spirally striated, cancellated by fine transverse ribs ; 

 columella rugose, outer lip smooth. Axis, I'l ; breadth, '8. 



Localities. — Wanganui (tj) ; Shakespeare Cliff; Puku-tapu(?). 

 Yery like Cassis sahulon from the miocene beds of Bordeaux, but 

 difi'ers in the transverse plications on the body whorl. 



CASSIDAHIA. 



Oval, tuberculated, and spirally ribbed ; canal prominent, recurved. 



57. C. sulcata, sp. nov. Ovato-ventricose ; whorls rather con- 

 vex, deeply spirally grooved, the grooves smooth and about twice the 

 breadth of the ribs ; two of the posterior ribs sub-nodulose ; columella 

 ribbed ; aperture ovate, truncate anteriorly. Axis, 1'8 ; breadth, 1'45 ; 

 angle of spire, 90°. 



Localities. — Kanieri. 



Family — ^^'aticid^. 

 NATICA. 



58. N. zealandica, Quoy ; Cat. Marine Moll, p. 21. 

 Localities. — Wanganui (u) ; Shakespeare Cliff"; Hampden; Mount 



Caverhill. 



