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. 

 Grallina picata Matii. p. 82. 



a. Inim. York, 2nd Jan. 



b. ^ . Dale River, 8th Jan. 



c. d. (^ iram. Avon River, 16th Jan. 

 e,f. ^ . Carnarvon, 25th Aug. 



ff, h. (J ? . 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, 11-12^ 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. S • King River, 22nd Dec.-lOth Jan. 



e,f. Ad. Chockerup, 23rd-25th Jan. 



(J. ? . Dale River, 16th Dec. 



h. ? . Parker's Range, 7th Aug. 



i, /t. c^ ? . Crookerdine Lake, 21st & 23rd July. 



/. J • 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 



