Collection of Birds from Western Australia. 671 
[The White-backed Magpie was very plentiful in the 
south-western and central divisions. It was more or less 
gregarious except during the nesting season.— G. C. S.~\ 
Grallina picata Lath. 
Grallinapicata Math. p. 82. 
a. Imm. York, 2nd Jan. 
b. d • Dale River, 8th Jan. 
c . d. $ imm. Avon River, 16th Jan. 
e, f . Carnarvon, 25th Aug. 
g, h. $ $ . Clifton Downs, 20th Sept. 
Iris greenish-white or pale yellow in the adult, grey or 
dull greenish-yellow in the immature; bill whitish-buff, tipped 
with dark horn-colour; feet black. 
Total length, measured in the flesh, 11-12J inches. 
[The “ Magpie-Lark ” of the Colonists was plentiful in 
many parts of the south-west, and very abundant in the 
west in the neighbourhood of the Gascoyne River. It was 
generally met with close to the water and rather resembles 
a wading-bird when feeding or running on the ground.— 
G. C. S.] 
COLLYRIOCINCLA RUFIVENTRIS Gould. 
Collyriocichla rufiventris Math. p. 82. 
a-d. d • King River, 22nd Dec.-10th Jan. 
e,f. Ad. Chockerup, 23rd-25th Jan. 
g. $ . Dale River, 16th Dec. 
h. $ . Parker's Range, 7th Aug. 
i. k. S ? . Crookerdine Lake, 21st & 23rd July. 
1. d • Kurrawang, 3rd Sept. 
Iris reddish-hazel, brown or dark brown; bill black in 
adult, lower mandible of a horn or pinkish-horn colour in 
immature; legs slate- or greenish-slate-colour. 
In some examples, apparently the most mature, the breast 
and sides are uniform grey without any trace of dusky shaft- 
streaks, while the inner webs of the quills are margined with 
whitish instead of buff. The series procured by Mr. Short- 
ridge seems to prove clearly that, in spite of the above- 
mentioned differences in plumage, all the specimens belong 
