HELIX. 23 



H. VARICOSA, Pfr. PI. 3, fig. 10. 



Umbilicus moderate, spire slightly elevated, varicosely angu- 

 lated by distant costse, not shining, fuscous ; whorls 4J-5, a 

 little flattened, base somewhat flattened. Diam. 3'5 mill. 



New Zealand. 



H. GAMMA, Pfr. PI. 3, fig. 11. 



Rather widely umbilicated, somewhat thin, very closely 

 costulate-striate (about 30 in the tenth of an inch), diaphanous; 

 light corneous, nebulously marked with chestnut; whorls 5, a 

 little convex, slowly increasing, the last more convex below. 



Diam. 3 mill. 



New Zealand. 



H. buccinella, Reeve, is a synonym. 



H. ANGUICULUS, Reeve. PL 3, fig. 13. 



Umbilicated, subdiscoidal, brownish with remote chestnut 

 strigations, ribs about 33 in the tenth of an inch ; whorls 5, 

 rounded. Diam. 2'5 mill. 



New Zealand. 



Is H. theta, Pfr. MS. 



H. TAPIRINA, Hutton. 



Ribs about 18 in the tenth of an inch, horny brown, obscurely 

 banded with chestnut. Diam. 5 mill. 



New Zealand. 



More closely ribbed than H. coma, with which Hutton at first 

 identified it. Unfigured. 



H. ZETA, Pfr. PL 3, fig. 14. 



Widely umbilicated, subdiscoidal, somewhat solid, closely 

 plicate, about 23 in the tenth of an inch, not shining, light yel- 

 lowish, tessellated with large chestnut maculations, spire plane, 

 subimmersed in the middle, suture profound ; whorls 5J, very 

 narrow, convex, the base more lightly plicate. Length, 3'6 mill. 



New Zealand. 

 H. infecta, Reeve, is a synonym. 



H. EGESTA, Gray. PL 3, fig. 15. 



Widely umbilicated, rather solid, regularly spirally sulcate, 

 with distant radiating ribs ; reddish brown, sometimes mottled 

 with yellowish ; whorls 5-J-, convex, the last narrow, often a little 

 depressed in front. Diam. 4*3 mill. New Zealand. 



