zj.8 Campbell, Dichotomous Key. 



Upper surface dingv-brown, with narrow stripes : under surface 

 ash3--white ; length 5.25 inches ; bill .5 inch ; tarsus .9 inch. 



C. niontanelliis (Rock Field-Wren). 



684. Dark streaks of back almost lost. C. isahellinns (Desert-Wren). 

 Dark streaks of back distinct ; wing 1.95 inches. (Possibly a desert 



variety.) C. riihiginosiis (Rusty Field-Wren). 



685. Length over 5 inches ; upper and under surfaces almost similar . . 686 

 Length 5 inches and under . . . . . . . . . . 688 



686. Length about 6.5 inches ; colour russet-brown, darkest on head, 



lightest on rump ; first primary of wing extremely small. 



AcROCEPHALUs. Reed-Warblers. 68/ 

 Length about 5.5 inches; dark sooty-brown above, deep ferru- 

 ginous below. Origiiia rithricata (Rock- War bier). 



687. Bill .6 to .75 inch ; shank i inch. A. australis (Reed- Warbler). 

 Bill .8 to .85 inch ; shank i.i inches. 



A. longirostris (Long-billed Reed- Warbler). 



688. Plumage never streaked, but often with distinct colours or broad 



marks on under surface (gape bristles absent in Ephthiannra) 689 

 Plumage various (gape bristles absent in Smicrornis) . . . . 696 



689. Length about 4 inches ; upper surface brownish ; lores white ; bill 



stout and .4 inch long ; tail square. 



Xerophila. \\'hite-faces. 690 

 Length more than 4 inches : bill .5 inch and slender. 



Ephthiaxura. Chats. 693 



690. Under surface with black or cinnamon band . . . . 691 

 Under surface plain and like back. A', leiicopsis (Whiteface). 



691. Flanks chestnut. X. castaneiventris (Chestnut-bellied Whiteface). 

 Flanks not chestnut entirely . . . . . . . . 692 



692. Cinnamon band on chest. 



A', pedoralis (Chestnut-breasted Whiteface). 

 Narrow black band on chest. 



A', nigricincta (Black-banded Whiteface). 



693. Throat white or greyish . . . . . . . . . . 694 



Throat black or yellow . . . . . . . . . . 695 



694. Abdomen white, with black band across chest (male) ; abdomen 



greyer, with obscure band (female). 



E. albifrons (\Miite-fronted Chat). 



Abdomen, crown, and rump scarlet (male) ; abdomen brownish, rump 



scarlet (female). E. tricolor (Tricolored Chat). 



695. Throat black ; breast yellow. (Head brown, female.) 



E. aiirifrons (Orange-fronted Chat). 

 Throat and breast yellow, with band of black across chest (lighter in 

 female). E. crocea (Yellow-breasted Chat). 



6g6. Length not more than 4 inches ; never streaked . . . . 697 



Length not less than 4 inches ; throat or crown often streaked . . 708 



697. Bill .4 inch and over, black. Fly-eaters. 698 

 Bill only .3 inch, brown in colour Smicrornis. Tree-Tits. 707 



698. Throat black or brown. 



Pseiidogerygone pcrsonata (Black-throated Fly-eater), male. 

 Throat not black or brown . . . . . . . . . . 699 



