18 THE PROCEEDINGS OF THE LINNEAN SOCIETY 



Diam maj. 16, min. 13, alt. 19 lines. 



Hab. Cook Town, Endeavour River, north-east coast of Aus- 

 tralia. (Mr. Charles Coxen.) 



3. — Helix (Rhytida) Langleyana. 



Shell largely umbilicated, discoid, thin, very finely and obliquely 

 sculptured, not shining, pale horn brown, spire depressed, suture 

 channelled, whorls 3J, the three upper ones with the sculpture 

 much rougher, the last large and roundly convex, aperture oblique, 

 Innately ovate, peristone simple, acute, margins distant, columella! 1 

 margin slightly reflected at the edge of the umbilicus. 



Diam maj. ih, min 3|, alt. 2 lines. 



Hab. Macquarie Harbour west coast of Tasmania. 



Of this species I have only seen one specimen ; it was collected 

 at the above locality some three years ago by Mr. W. Petterd ; it 

 comes near to Helix Milhgani and other species of the same genus. 



* 4. — Helix (Charopa) Nupera. 



Shell umbilicated, rather flatly discoid, thin, finely and regu- 

 larly and obliquely striated ; interstices very smooth, white, spire 

 flat, whorls 4, moderately convex, the last roundly convex, suture 

 channelled, base convex, umbilicus perspective, aperture nearly 

 vertical, semilunar, peristome simple, thin, and regular. 



Diam. maj. 1|, min. 1, alt. ^. 



Hab. King George's Sound, south-west coast of Australia, col- 

 lected by Mr. G. Masters. 



* 5. — Pupa (Vertigo) Rossiteri. 



Shell dextral, rather oblong, thin, shining nearly smooth, white, 

 hyaline, spire turretted, apex obtuse, whorls 51, roundly convex, 

 the last about quarter the length of the whole shell, aperture 



