362 RHIPIDOGLOSSATE AND DOCOGLOSSATE MOLLUSCA OF N.Z., 



Shell more or less elevated, imperforate ; whorl spirally ribbed. 

 Bluish or purplish black, the grooves lighter ; columella white, 

 margin of the aperture dark purple, interior pearly. 



The dentition is figured in Trans. N.Z. Inst. XIV., pi. 7, fig. l. 



Variety. Huttonii. Smith, Jour. Linn. Soc. of London, Zool. 

 XII., p. 558 (1876). 

 Habitat. — Throughout New Zealand. 



More depressed than the last, and the spiral sculpture finer. 

 The dentition is figured in Trans. N.Z. Inst. XIV., pi. 7, fig. m. 



Cantharidus rufozona. Adams, Proc. Zool. Soc. of London, 



1851, p. 170. 



Habitat. — Auckland. 



Shell imperforate, spirally ribbed ; about eleven ribs on the 

 body whorl, five of which are above the periphery; columella 

 with a blunt tooth, white ; the ribs purplish red ; interior 

 white. 



Dead specimens from Auckland are referred with doubt to this 

 species. It is distinguished by the blunt tooth on the columella. 



The dentition is unknown. 



Cantdtaridus popillus. Gould, Proc. Bost. Soc. Nat. Hist. III., 

 p. 91, (1848); United States Exploring Expedition, XII., p. 

 186, Atlas, fig. 208. 



Habitat. — Bank's Peninsula to Dunedin. 



Shell depressed, or sometimes more elevated, imperforate or 

 narrowly perforated ; whorls spirally ribbed. Dark brown, or 

 greenish brown with brown and reddish markings ; margin of the 

 aperture greenish brown. 



A very variable shell, smaller than C. tetiebrosus. The dentition 

 is figured in the Trans. N.Z. Inst. XIV., pi. 7, fig. k. 



Cantharidus sanguineus. Gray in Diefi'enbach's New Zealand, 

 II., p. 238, (Gibbula), 1843 ; Voy. Erebus and Terror, Moll, 

 pi. 1, fig. 12. 

 Eabitat. — Auckland to Wellington, Chatham Islands. 



