Hutton. — On New Zealand Land Mollusca. 205 



L. antipodum, Pfeiffer (1855). 



Greyish or brownish ; mantle rounded behind. Length 1 inch. Den- 

 tition, 40-1-10. 



North Island.— Wellington (F.W.H.). 



South Island. — Dunedin and Banks Peninsula (F.W.H.). 



L. EiiAKGiNATUs, Hutton (1879). 



Dark grey or olive ; mantle emarginate behind. Length 1 inch. Den- 

 tition, 46-1-46. 



South Island. — Dunedin (P.W.H.). 



L. fuliginosus, Gould (1846). 



Sooty black, tentacles reddish at the tip. Length 2-5 inch. 



North Island. — Bay of Islands (Dr. Pickering). 



I have not seen this species. 



Fam. ZonitidcE. 



Animal helicifonn. A caudal mucous gland. 



Genus Hyalina, Ferussac. 



Shell umbilicated, depressed or discoidal, shining and vitreous ; whorls 

 5-6, gradually increasing. Jaw smooth or striated. 



H. NOYAE.E, Pfeiffer (1861). 



Spire flat : whorls 4, finely striated at the suture ; suture scarcely im- 

 pressed ; umbilicus somewhat narrow. Pale yellowish horny. Diameter '23 

 inch. 



North Island. — Bay of Islands (Hochstetter). 



I have not seen this species. According to Pfeiffer it is allied to H. 

 remota, Benson, from St. Helena. Perhaps it is the young of Zonites 

 cellarius. 



Genus Phacussa, Hutton. 



Shell depressed ; periphery rounded ; whorls 5-6, gradually increasing. 

 Mantle included. Jaw with flat ribs. 



P. hypopolia, Pfeiffer (1851). 



Spire almost flat ; closely ribbed; ribs about 23 in the tenth of an inch ; 

 narrowly umbilicated. Horny, silky, sometimes obscurely marked with 

 brown. Diameter f 26 inch. 



North Island. — Hawke's Bay (Colenso) ; Wellington (T. W. Kirk). 



The dentition is unknown. 



P. helhsi, Hutton (1882). 



Spire convex ; rather distantly ribbed ; ribs about 16 in the tenth of an 

 inch ; narrowly umbilicated. Horny brown. Diameter *35 inch. Den- 

 tition, 28-1-28. 



Var. a. — maculata. Shell spotted and banded with reddish. 



South Island, — Greymouth (Helms). 



