OF NEW SOUTH WALES. 103 



Diam. Maj. If, min. 1^, alt. 1 lin. 



Hah. Nepean Island, also Cocacanut Island, Torres Straits, 

 under leaves on the ground. . 



This species is allied to Helix Russelli, Brazier, but may be 

 distinguished by its coarser sculpture. About forty specimens 

 found at the localities given above. 



12. — Helix (Conulus) Starkei. 



Shell minutely umbilicated, turbinately depressed, thin, reddish- 

 brown, obliquely marked with rib-like stria?, interstices show- 

 ing faint indications of smaller lines, whorls 5, roundly 

 convex, suture deep, spire somewhat conoid, apex obtuse, periphery 

 minutely keeled, base convex, marked with striae finer than above 

 and crossed with minute spiral silky lines ; umbilicus deep, rounded 

 at the margin, aperture oblique, roundly lunate, peristome thin, 

 simple, margins distant, columellar nearly straight and reflected. 



Diam. Maj. If, min. 1|, alt. 1^ lin. 



Hah. Yule Island, New Guinea. 



One specimen found under decayed leaves on the ground. The 

 sculpture of it is very remarkable, above quite rough rib-like, and 

 from the centre nearly smooth, crossed with fine spiral lines run- 

 ning into the umbilicus. 



13. — Helix (Patula) Spaldingi. 



Shell rather broadly and perspectively umbilicated, depressly 

 orbicular, thin, translucent, not shining, rather white, irregularly 

 obliquely rugosely striated, interstices smooth, spire moderately 

 flattened, apex obtuse, suture deep, whorls 3£, scarcely convex, last 

 rather large and inflated, angled above, rounded at the periphery, 

 base roundly convex, umbilicus half the width of the shell, some- 

 what deep and rounded at its margins, aperture nearly vertical, 

 sub-circular, peristome thin, acute, margins approximating, the 

 right straight, columellar margin slightly reflected. 



Diam. Maj. 2^, min. If, alt. 1^, least alt. f, lin. 



Hah. Cape York and Albany Island, North Australia ; also 

 Bet, Sue, Cocoa Nut, and Warrior Islands — Torres Straits, under 

 leaves and decayed wood. 



