A 2 Campbell, Dichoionwus Key. 



Under surface without yellow colour . . . , . , 595 



590. Under surface all yellow except chin . . . . . , 591 

 Abdomen yellow ; throat white. 



Eopsaltria georgiana (White-breasted Shrike-Robin). 



591. Over 5 inches in length. (Young is rufous-brown with light centre 



streak to feathers of back and chest.) 



Eopsaltria. Shrike-Robins (2). 592 

 Less than 5 inches long. Pcecilodryas. Robins (3). 593 



592. Rump olive-green, like back. 



E. australis (Yellow-breasted Shrike-Robin). 

 Rump jonquil-yellow. 



E. magnirostris (Yellow-rumped Shrike-Robin). 



593. White patch in front of eye . . . . . . . . 594 



Rufous patch in front of eye. P. nana (Little Robin). 



594. Forehead ashy-olive. P. capita (Large-headed Robin). 

 Forehead black. P. albijacies (White-faced Robin). 



595. Upper surface chocolate-brown ; distinct white eyebrow. 



Pcecilodryas. Robins (2). 596 

 Upper surface black ; no white eyebrow. 



Eopsaltria. Shrike-Robins (2). 597 



596. Flanks and under tail coverts whitish. 



P. superciliosa (White-browed Robin). 

 Flanks and under tail coverts tawny. 



P. cerviniventris (Buff-sided Robin). 



597. Tail tipped with white. E. gularis (Grey-breasted Shrike-Robin). 

 Basal half of tail white. 



E. pulvcrulenta (White-tailed Shrike-Robin). 



598. Length more than 5.5 inches . . . . . . . . 599 



Length 5 inches. P. simplex (Brown Thickhead). 



599. Length less than 7 inches . . . . . . . . . . 600 



Length 7 inches or more . . . . . . . . . . 609 



600. Abdomen yellow (male) or throat and chest ashy without streaks 



(female) . . . . . . . . . . . . 601 



Abdomen not yellow (male) or throat and chest ashy and streaked 



(female) . . . . . . . . . . . . 605 



601. Tail black or olive-green above . . . . . . . . 602 



Tail grey or black and grey above . . . . . . . . 603 



602. Tail all black ; crown black f male) or grey with black shaft lines ; 



throat and chest whitish ; abdomen yellow (female). 



P. melanura (Black-tailed Thickhead). 

 Tail all olive-green ; crown ashy-brown. 



P. peninsula' (Cape York Thickhead). 



603. Tail all grey. P. glaucura (Grey-tailed Thickhead). 



Tail grey and black . . . . . . . . . . 604 



604. Base of tail grey only, tiji black. (Abdomen light fawn, female.) 



P. occidentalis (Western Thickhead). 

 Base of tail grey washed with olive ; two-thirds black. (Abdomen 

 whitish, female.) (In youth mostly rich rust-red.) 



P. giitiuralis (\\'hite-throated Thickhead). 



605. Throat white . . . . . . . . . . . . 606 



