174 Mr. W. It. Ogilvie-Grant on a 



Nettion gibberifkoxs S. Mull. 

 Nettium gibberifrons Math. p. 36. 



a. Ad. Dwaladine, 2lst Feb. 



b, c. $ $ imm. Stockpool, 21st Jan. 

 </, e. cJ ? imm. Laverton, 16th Oct. 



Iris broAvn : upper mandible of a bluish lead-colour mottled 

 with black, lower mandible with the basal half and tip of a 

 lead-colour, and the rest of the terminal portion orange- 

 yellow ; legs of an olivaceous slate-colour. 



These specimens throw no additional light on the difficult 

 question regarding the characteristics of N. castaneum 

 (Eyton) and N. gibberifrons. Two appear to be fully adult, 

 while three are obviously young birds. 



Total length, measured in the flesh, 15'5-17'0 inches. 



[The Grey Teal was tolerably numerous iu pairs. — 

 G. C. S.] 



An \> superciliosa Gmel. 

 Anas superciliosa Math. p. 35. 



a. £ . Big Grove, 29th April. 



b. Ad. Arthur River, 24th June. 



c-e. ? . Dale River, 27th Dec. to 7th Jan. 



Iris brown : upper inaudible slaty-blue marked with black, 

 lower mandible dull black, slaty-blue at the tip ; legs of 

 an olivaceous-slate-colour tinged with rusty salmon-colour 

 or orange; claws black. 



Total length, measured in the flesh, 21-23 inches. 



Casarca tadornoides Jard. & Selby. 



Casarca tadornoides Math. p. 35. 



a. $ . Big Grove, 30th March. 



Iris dark brown bill slaty-black ; legs of a slate-colour. 



[The Australian Sheld-duck, or " Mountain Duck " as it 

 is locally called, is tolerably plentiful, and is usually met 

 with in flocks. It is geneially distributed throughout the 

 south-western, central, and western divisions, and is fre- 

 quently found feeding on the sea-coast. — G. C. S.~\ 



