49 



Helix pomum, Pfeiffer. 



Reference. — Cox, Monograph Aicstralian Land Shells, p. 40, 

 t. 4, f . 7, 1868. 



Synonym. — H. pseudo-Meadei, Brazier in Harcus's S. Aust. 

 Handbook (name only). 



This species is peculiar to Aruheim Land, thougli closely 

 allied to H. pachystyla, Pfr., wLicb. ranges along the whole of 

 the north-east coast of Australia. It was first obtained by 

 MacGrillivraj, at Port Essington, and has since been collected 

 in the Port Darwin district. I found it widely, but sparsely 

 distributed over the country from Palmerston southwards to 

 Pine Creek ; it was only in the jungles near the coast that it 

 seemed to be at all plentiful. 



H. pseudo-Meadei was proposed for individuals of H. pomum, 

 which exhibit a stippled ornament on the columella and 

 callus development overspreading the body-wall of the 

 aperture of the shell. As this character belongs to adult 

 shells and there are no co-ordinate peculiarities, the specific 

 name should be suppressed ; it is, moreover, inaptly chosen. 



Helix Meadei, Brazier. 

 Bef.—Proc. Zool. Soc., p. 662, 1870. 



Syn. — H. Edwardsi, Cox, Mon., p. 109, t. 19, f. 3 (non 

 Bland). 



Habitat. — Banks of the Liverpool Eiver (Cadell Ex- 

 pedition) . 



Helix Lyndii, Angas. 

 Bef.—Froc. Zool. Soc., 1872, p. 610, t. 42, f. 1. 

 Hab. — Port Essington. 



Helix prunum, Ferussac. 



Uef.—Cox, Mon. Aust. Land Shells, p. 43, t. 4, f. 6. 



Hab. — This species affects the sea coast, and has been col- 

 lected at Port Essington on the bark of Melaleuca by Mac- 

 Gillivray, and at Palmerston by Bednall. I found many 

 examples around Palmerston creeping about in the early 

 morning after rains, but inland it occurred to me in single 

 specimens at Eum Jungle and at the Stapleton Eiver, 26 and 

 42 miles respectively from Southport. 



Memarhs. — The periostracum of the young shell is raised into 

 short bristles, and traces of them may be seen in some indi- 

 viduals just prior to attaining their full size. Except in the 

 larger size and deciduous bristles, I fail to note any other 

 difference between this species and H. Coxeni, from Queens- 

 land. 



Helix Greedii, Coo:.. 



Eef.—Mon. Aust. Land Shells, p. 110, t. 19, f. 2. 

 2r«5.— Cadell's Straits (Cadell Exped., 1867). 



