V. 
No. 8. Published July, 1891. 
Pages 149-178. Plates xxiii.-xxvii. 
On a new and peculiar Fresh-water Isopocl from Mount Kosciusko. 
By Chas. Chilton 
Notes on “Rock-shelters,” or “ Gibba-Gunyahs,” at Deewhy 
Lagoon. By R. Etheridge, Junr... 
Description of a New Pelagic Hemipteron from Port Jackson. 
By Frederick A. A. Skuse ... 
Note on the Nidification of Edoliisoma tenuirostrc. By A. J. North. 
No. 9. Published October, 1891. 
Pages 179-197. Plates xxviii.-xxix. 
On the Recent Discolouration of the Waters of Port Jackson. By 
Thomas Whitelegge. (Plate xxviii.) ... 
Descriptions of three New Papuan Snakes. By J. Douglas Ogilby 
Note on the Nidification of Turnix melanolis, Gould. By A. J. 
North ... 
On Hadra gulosa, Gould. By C. Hedley (Plate xxix.) 
No. 10. Published December, 1891. 
Pages 199-211. Plate xxx. 
On the occurrence of the genus Palccaster in the Upper Silurian 
Rocks of Victoria. By R. Etheridge Junr. (Plate xxx.) 
The Operculate Madrejioraria rugosa of New South Wales. By 
R. Etheridge Junr. ... 
Notes on the structure of Pedionomus torquatus , with regard to its 
systematic position. By Hans Gadow, Ph.D., M.A. ... 
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