66 HELIX. 



H. PHILLIPSIANA, Angas. PL 14, figs. 87-89. 



Widely umbilicated, rather thin, obliquely plicate-striate, and 

 lightly granular, brownish white ; whorls 4i, convex, the last round- 

 ed, descending in front, subconstricted behind the aperture ; peris- 

 tome almost continuous, expanded and slightly reflected, margins 

 joined by a thick callus. Diam. 13 mill. 



Arroivie, So. Australia. 



H. EYREI, Ad. and Angas. PL 14, figs. 90, 91. 



Widely umbilicated, rather thin, obliquely striate, very minutely 

 granular, light brown, paler below ; whorls 5, a little convex, the 

 last rounded and somewhat descending in front; peristome flesh 

 colored, thickened, slightly expanded, margins approaching. 



Diam. 17 mill. 



Shores of Lake Eyre, Central Australia. 



H. DELESSERTIANA, Guillou. PL 14, figs. 92, 93, 78. 



Moderately umbilicated, thin, obliquely costulate-striate, hyaline 

 brownish white, suture subchanneled ; whorls 5?', convex; peristome 

 reflected above. Diam. 16*5 mill. 



Warrior Isl. Torres Straits, Australia; New Zealand. 



H. TaranaJci, Gray (fig. 78) and H. Torresiana, Hombr. et Jacq. 

 are synonyms. 



H. SUBSECTA, Tate. PL 14, figs. 80, 81. 



Moderately umbilicated, solid, somewhat rugosely plicate, and 

 closely longitudinally striate, greyish white, epidermis ? ; whorls 5, 

 the last rounded at the periphery, much depressed in front; peristome 

 thin, acute, reflected, nearly continuous. Diam. 15 mill. 



Port Wakefield, So. Australia. 



Unfigured Species. 



H. ENDEAVORENSIS, Brazier. Endeavor River, N. Australia. 



H. DRYANDERENSIS, Cox. Port Denison, Queensland, Austral in. 



