174 
Mr. W. R. Ogilvie-Grant on a 
Nettion gibberifrons S. Miill. 
Nettium gibberifrons Math. p. 36. 
a . Ad. Dwaladine, 21st Feb. 
b, c. $ $ imm. Stockpool, 21st Jan. 
d, e. <$ ? imm. Laverton, 16th Oct. 
Iris brown ; upper mandible of a bluish lead-colour mottled 
wdth blacky 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 oil 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 in pairs,— 
G. C. S.] 
Anas 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 mandible slaty-blue marked with black, 
low^er 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 99 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>.] 
