■2 2 Campbell, Dichotomous Key. 



434. Length 13 inches or more ; tail and wings jet black. 



Pteropodocys phasianella (Ground Cuckoo-Shrike). 

 Length less than 12.5 inches. Graucalus. 435 



435. Wing about 7.5 inches or more . . . . . . . . 436 



Wing about 6.5 inches or less . . . . . . . . 437 



436. Bill .9 inch or more. G. melanops (Black-faced Cuckoo-Shrike). 

 Bill .8 inch or less. G. parvirostris (Small-billed Cuckoo-Shrike). 



437. Chest grey or white ; abdomen plain or barred . . . . 438 

 Chest, like throat, black ; abdomen rayed with black. 



G. mentalis (Little Cuckoo-Shrike), immature. 



438. Length 10 to 11 inches . . . . . . . . . . 439 



Length 10 inches or less (may be only 9.5 inches) . . . . 440 



439. Lower part of abdomen and under tail coverts white. 



G. mentalis (Little Cuckoo-Shrike), adult. 

 Lower part of abdomen and under tail coverts dark slate ; lores 

 only black. 



Edoliisoma tennirostre (Jardine Caterpillar-eater), aciult male. 



(For female see No. 634.) 



440. Under surface all pure white. 



G. hypoleuciis (White-bellied Cuckoo-Shrike). 

 Under surface barred with black ; throat and chest grey, like back. 



G. lineatus (Barred Cuckoo-Shrike). 



441. Plumage brown or blackish, streaked or spotted on back with 



lighter colour. Bower-Birds (some). 442 



Upper surface rich russet or olive-brown, feathers tipped with black 



crescents. Geocichla. Ground-Thrushes. 447 



442. Upper surface mottled ; abdomen plain. 



Chlamydera. Bower-Birds. 443 

 Upper surface olive-brown ; abdomen lightly streaked ; length 

 10.5 inches ; bill i.i inches ; wing 5.6 inches ; tail 3.7 inches ; 

 tarsus 1.3 inches. 



Scenopams dentirostris (Tooth-billed Bower-Bird). 



443. Crown quite uniform (lilac tuft of feathers on back of neck in male 



birds) . . . . . . . . . . . . 444 



Crown spotted (lilac tuft of feathers on back of neck in male birds) 445 



444. Length 12.8 inches ; wing 7 inches. 



C. nitchalis (Great Bower-Bird). 

 Length 11. 3 inches ; wing 5.65 inches.- 



C. cerviniventris (Fawn-breasted Bower-Bird). 



445. Length 13 inches ; wing 7 inches. 



C. orientalis (Queensland Bower-Bird). 

 Length 10 or 11 inches ; wing about 5.7 inches . . . . 446 



446. Throat lighter than crown ; abdomen gre3\ 



C. macidata (Spotted Bower-Bird). 

 Throat darker than crown ; abdomen buff. 



C. guttata (Yellow-spotted Bower-Bird). 



447. Length about 10.5 inches ; wing 5.5 inches . . . . 448 

 Length about 9.5 inches ; wing 4.8 inches . . . , . . 449 



448. Bill I.I inches. G. liinulata (Ground-Thrush). 

 Bill 1.2 inches (darker plumage). 



G. niacrorhyiicJia (Large-billed Ground-Thrush). 



