Supplement to " The Emu." A'l 



Throat rust -red or grey . . . . . . . . . . 608 



606. Abdomen dark or light cream colour, plain or streaked . . . . 607 

 Abdomen rich orange-brown (male) or light fawn and streaked 



(female). P. rnfiventris (Rufous-breasted Thickhead). 



607. Collar broad (male) or abdomen streaked black (female). 



P. jalcata (Northern Thickhead). 

 Collar narrow (male) or abdomen streaked brown (female). 



P. paUida (Pale-breasted Thickhead). 



608. Lores rustj^-brown. like throat (male) : grej' mark on chest and 



streaked below (female). P. nifogiilaris. 



(Thought to be young P. guttiiralis.) 



Lores black, not like throat (male) ; under wing coverts sandy 



(female). P. gilberti (Red-throated Thickhead). 



609. Collar black and chestnut, throat and abdomen white (male) ; no 



collar, under surface streaked (female) . . . . . . 610 



No collar ; throat whitish ; abdomen olive. (Female has browner 

 mantle and dingier throat.) P. olivacca (Olive Thickhead). 



610. Back of neck chestnut and black. 



P. laiiioides (White-bellied Thickhead). 

 Back of neck chestnut only. P. fretoruui (Torres Strait Thickhead). 



611. Length more than 7.5 inches ; bill black, curved, and .75 to 1.2 inches ; 



distinct light eyebrow. 



PoMATORHixus. Babblers or Chatterers. 612 

 Characters otherwise . . . . . . . . . . 615 



612. Breast, like throat, mostlv white : back greyish-brown . . . . 613 

 Breast rufous : throat white : back dark brown. 



P. riibeculiis (Red-breasted Babbler). 



613. Length about 8 inches ; no rufous on abdomen . . . . 614 

 Length 10 inches ; abdomen partly rufous. P. temporalis (Babbler). 



614. Crown chestnut ; white marks on shoulder. 



P. ritficeps (Chestnut-crowned Babbler). 

 Crown dark brown : no white on wing. 



P. siiperciliosus (White-browed Babbler). 



615. Length more than 7.2 inches ; bill strong and nearly straight ; 



plumage greyish or brownish, with light eyebrow and spot 



in front of eye. Collyriocixcla. Shrike-Thri'shes. 616 



Characters not as specified . . . . . . . . . . 623 



616. Length more than 8 inches ; under surface whitish or not uniform O17 

 Length less than 8 inches : under surface uniform lawn . . . . 621 



617. Bill blackish . . . . . . . . . . . . 618 



Bill all horn colour ; wing 4.83 inches. 



C. pallidirostris (Pale-headed Shrike-Thrush). 



618. Back umber and different to head . . . . . . 619 



Back ashy-brown, like rest of upper surface . . . . . . b20 



619. Bill .8 inches ; chest darker than throat or abdomen. 



C. harmonica (Grey Shrike-Thrush). 

 Bill 1.2 inches. (Crown like back, eyebrow rust-coloured, and 

 breast streaked in female and young.) 



C. rectirostris (Whistling Shrike-Thrush). 



620. Wing 4.65 inches ; under tail coverts white. (Female has lores and 



round eye rufous.) C. hriniiica (Brown Shrike-Thrush). 



