HELIX. 45 



suture impressed ; whorls 4J, rounded, gradually increasing, the 

 last flat above, obtusely keeled, base roughly striate, with micro- 

 scopic spiral lines. Diam. 3 mill. 



Victoria, Australia. 

 H. FABREFACTA, Pease. PI. 5, figs. 81, 82. 



Very widely umbilicated, sublenticular, a little solid, subarcu- 

 ately striate, soiled white irregularly radiated and maculated 

 with brown ; whorls 6-7, slowly enlarging, plane or a little con- 

 cave at the carina, the penultimate exserted, the last acutely 

 carinated, scarcely descending, planate below the periphery. 



Diam. 7*5 mill. Ins. Raiatea. 



In a natural arrangement this would be classified with H. 

 ficta, Pease, in Endodonta, although the mouth is unarmed. 



H. OPAOANA, Gassies. PI. 5, figs. 77, 78. 



Widely umbilicated, obliquely and concentrically striated, 

 reddish corneous, suture moderate ; whorls 6, regularly increasing, 

 the last depressed, periphery obtusely angulated, umbilicus 

 carinated. Diam. 5 mill. 



Ins. Art and Balade, N. Caledonia. 



H. DISPERSA, Gassies. PI. 16, figs. 73, 74. 



Widely, deeply umbilicated, obliquely regularly striated, 

 brownish, shining, suture deep, subcarinated ; whorls 5, regularly 

 increasing, carinate'on the periphery. Diam. 5 mill. 



Isle of Pines, New Caledonia. 



H. MELIT^, Gassies. PI. 16, figs. 75, 76. 



Widely, deeply umbilicated, acutel} T lamellated, the lamellae 

 silvery hirsute at the carina, chestnut-colored ; whorls 4, a little 

 convex, rapidly increasing, the last wide, scarcely descending, 

 periphery carinated, suture deep, channeled. Diam. 3 mill. 



Ins. Art, N. Caledonia. 

 H/TRTCHOCOMA, Crosse. PL 16, fig. 77. 



Widely umbilicated, subobliquely corrugately striated, chest- 

 nut colored, marbled with white, under a laciniated brownish 

 epidermis, suture impressed ; whorls 5, planate, the last scarcely 

 descending, acutely carinated, base subinflated, a little convex, 

 obtusely carinated around the umbilicus ; aperture chestnut 

 colored, shining. Diam. 8 mill. 



Mt. Mou, New Caledonia. 



