364 RIIIPIDOGLOSSATE AND DOCOGLOSSATE MOLLUSCA OF N.Z., 



Margarita rosea. Hutton, Cat. Marine Moll, of New Zealand, 

 p. 36 (1873). 



Habitat. — Stewart's Island ; Campbell Island. 



Whorls faintly spirally striated ; very narrowly umbilicated. 

 Pinkish white with three or four narrow pink spiral hands and 

 some purplish spots on the body whorl. 



The dentition and operculum are unknown. 



Marfarita ftjlminata. Hutton, Cat. Marine Moll, of New 

 Zealand, p. 36, (1873). 



Habitat.— Auckland to Wellington, Chatham Islands. 



Shell smooth, without spiral strice except on the base ; 

 umbilicus small. Pink, purplish, or olivaceous, usually with 

 markings especially at the suture. 



Dead shells only. The dentition and operculum are unknown. 



Genus. Gibbula. Eisso. 



Gibbula oppressa. Hutton, Jour, de Conch., 1878, p. 34. 



Habitat. — Auckland . 



Whorls flattened in the middle and more or less keeled ; closely 

 spirally ribbed. Dark purplish black not shining. Operculum 

 many whorled. 



The dentition is figured in Trans. N.Z. Institute, XV., pi. 14, 

 fig. m. 



Gibbula nitida. Adams and Angas, Proc. Zool. Soc. of London, 

 1864, p. 36. G. inconspicua, Hutton, Cat. Marine Moll, of 

 New Zealand, p. 36, (1873). 

 Habitat. — Hokianga, Auckland to Wellington. 

 Shell polished, finely spirally striated. Greenish yellow with 

 longitudinal undulating purplish brown streaks. Operculum 

 many whorled. 



The dentition is figured in Trans. N.Z. Institute XV., pi. 14, 

 fig. N. 



Genus. Bankivia. Beck. 



