Z2 Cami'Bell, Diclioloiiunts Key. 



Head and neck all white (male) or grey (female). 



5. lencocephala (White-headed Tree-runner). 



746. Crown black ; cheeks grey (male) or black (female). 



S. pileata (Black-capped Tree-runner). 

 Crown brownish ; wing-patch half rusty, half white. 



5. tenuirostris (Slender-billed Tree-runner). 



747. Tail of peculiar feathers without barblets. 



Stipiturus. Emu-Wrens. 748 

 Tail of ordinary' feathers . . . . . . . . . . 749 



748. Tail black : crown striped with black. 5. inalachuriis (Emu-^^'ren). 

 Tail and crown rufous (males of both species have throat blue). 



S. ruficcps (Rufous-crowned Emu- Wren). 



749. Upper surface with white stripe down centre of each feather ; under 



surface mostly similar but paler; 5 bristles on each side of 

 gape; 10 tail feathers. Amytis. Grass-Wrens. 750 



Upi'Cr and under surfaces not both streaked, if at all . . . . 754 



750. Length 8 inches ; wing 3 inches. A. hoiisei (Black Grass- Wren). 

 Length less than 7 inches : wing about 2.5 inches . . . . 751 



751. Chest and throat streaked . . . . . . . . . . 752 



Chest and throat white. A. goydcri (Goyder Grass- Wren). 



752. No black mark on cheek . . . . . . . . . . 75J 



Broad black mark on cheek. A. striata (Striated Grass-Wren). 



753. Wing 2.3 inches ; flanks and under shoulder rust-red. 



.1. tc.xtilis (Grass- Wren). 

 [A. modcsta (Modest Grass- Wren) has bill deeper and upper parts 

 paler ; under surface pale brownish, slightly darker on sides 

 of neck and chest ; throat whitish ; line from nostrils to above 

 eye pale rust-red ; length b.5 inches ; bill .42 inch ; wing 

 2.55 inches ; tail 3.2 inches : tarsus .95 incli.] 

 Wing 2.5 inches ; rust-red only under wing. 



A. macfura (Large-tailed Grass- Wren). 



754. Total length from 0.8 to 10 inches . . . . . . . . 755 



Total length less than O.5 inches . . . . . . . . jbi 



755. Wing feathers uniform ; tail not tipped with white ; three stout 



bristles on each side of gape. Sphenura. Bristle-Birds. 756 

 Wing feathers with white bar ; outer tail feathers tipped white ; gape 



bristles not stout. Drymaci-dus. Scrub-Robins. 75(j 



750. Length more than () inches : crown rufous . . . . . . 757 



Length 7 or 8 niches ; crown not rufous . . . . . . 758 



757. Length 10 inches ; wing ^.j inches. 



S. hroadhciiii (Rufous Bristle-Bird). 

 Length 9 inches ; wing 3.4 inches. 



5. litturalis (Lesser Rufous Bristle-Bird). 



758. Length about 8 inches : upper surface uniform. 



S. brachyptcra (Bristle-Bird). 

 Length 6.8 inches : upj)er surface mottled. 



5. longirostris (Long-billed Bristle-Bird). 

 750. Black spot above eye and black streak below. 



D. superciliaris (Eastern Scrub-Robin). 

 Black sj)ot above eye only. . . . . . . . . . . 7O0 



