170 



part are narrower, and the rusty colour beneath the body and under 

 wing-coverts is much paler ; the bands on the tail are nearer 

 together, while the one at the tip is broader : the outer feather on 

 each side differs by being obliquely truncated.. 



Length 17" 3"'; wings 11" 9"'. 



Hab. Aru Islands. 2 m Mr. Wallace's Collection. 



4. ACCIPITER POLIOCEPHALUS. 



2 . Head, back of neck and nape grey ; entire back, wing-coverts 

 and tail above, plumbeous, the latter with narrow bars of black ; 

 quills fuscous black ; beneath the body white ; cere and legs red ; 

 bill and claws black. 



Length 14" 9'" ; wings 8" 6"'. 



Hab. Aru Islands. $ in Mr. Wallace's Collection. 



Strigid^e. 



The collection does not contain a single example of this family ; 

 in fact only two, the Athene humeralis, Homb. and Jacq. Voy. Pole 

 Sud, t. 4, f. 1, and A. theomaeha, Bp., have yet been recorded as 

 coming from New Guinea. 



CAPRlMULGIDiE. 



5. PODARGUS OCELLATUS. 



Podargus ocellatus, Quoy & Gaim. Voy. Astrol. t. 14, J . 

 $ . Length 13" 9'" ; wings 7" 2">. 

 Hab. Aru Islands. $ in Mr. Wallace's Collection. 



6. Caprimtjlgus macrurtjs. 



Caprimulffus macrurus, Horsf. ; Gould, B. of Austr. ii. pi. 9. 

 Hab. Aru Islands. 3 in the British Museum. 



HiRUNDINIDjE. 



7. Macropteryx mystaceus. 



Cypselus mystaceus, Less. Voy. Coqu. t. 22. 

 Hab. Aru Islands. S $ in British Museum. 



8. COLLOCALIA HYPOLEUCA. 



Closely allied to CollocaKa Linchi, Horsf., but is rather larger ; 

 with the upper surface of a glossy green-black ; side of head, throat 

 and breast fuscous black, the two latter with the feathers margined 

 with pure white ; abdomen pure white ; under tail-coverts glossv 

 green-black. 



2 . Length 4" ; wings 4". 



Hab. Aru Islands. $ in Mr. Wallace's Collection. 



Col/ocalia nidifica, var. 



Differs in being rather whiter beneath the body, especially on the 

 throat. 



