Supplement to " The Emu.'' 2 I 



256. Head crested or forehead feathers elongated. Cockatoos. 257 

 Head not crested : phmiage never white . . . . . . 271 



257. General colour black , , . . . . . . . . 258 



General colour white, grey, or pink . . . . . . . . 263 



258. Cheeks entirely naked. Microglossus aterniiiiis (Palm Cockatoo). 

 Cheeks feathered. Calyptorhynchus. Black Cockatoos. 259 



259. Tail banded with red or mottled yellow . . . . . . 260 



Tail banded with white. C. baudini (White-tailed Cockatoo). 



260. No light-coloured ear coverts . . . . . . . . 261 



Ear coverts yellow. C. jitncrcits (Black Cockatoo). 



261. Head and neck, like body, greenish- black . . . . . . 262 



Head and neck brown ; length 19.5 inches ; wing 14 inches. 



C. viridis (Leach Cockatoo). 



262. Length about 24 inches ; wing 17 inches. (C. inacrorhvnchiis has 



stronger bill.) C. hanksi (Banksian Cockatoo). 



Length about 22 inches ; wing 14 inches. 



C. stellatiis (Rccl-tailecl Cockatoo). 



263. General colour grey or gre3^ and pink . . . . . . . . 264 



General colour white or pinkish . . . . . . . . 266 



264. General colour grey . . . . . . . . . . 265 



General colour gre}^ and pink. 



Cacatua roseicapiUa (Rose-breasted Cockatoo). 



265. Wing 9.6 inches ; crest and head scarlet (male) or grey (female). 



Callocephalon galeatmn (Gang-Gang Cockatoo). 

 Wing 6.5 inches ; orange spot on side of head ; forehead and cheeks 

 yellow (male) or grey (female). 



Calopsittaciis novce-hollandicB (Cockatoo-Parrakeet). 



266. Hook of bill I inch long and projecting foward. Licmetis. 267 

 Hook of bill short and nearly perpendicular. Cacatua. 268 



267. Naked skin round eye blue ; length 15 inches ; wing 11 inches. 



L. nasica (Long-billed Cockatoo). 



Naked skin round eye lead colour ; length 17.5 inches ; wing 12 



inches. L. pastinator (Western Long-billed Cockatoo). 



268. Large upturned crest feathers . . . . . . . . 269 



Crest of ordinary feathers lengthened . . . . . . . . 270 



269. Crest yellow ; plumage white. C. galerita (White Cockatoo). 

 Crest red and yellow ; plumage pink and white. 



C. leadheateri (Pink Cockatoo). 



270. Naked skin round eye white and circular ; length 14 inches ; wing 



10 inches. C. sanguinea (Blood-stained Cockatoo). 



Naked skin round eye blue, extended into a bare space below ; 

 length 16 inches ; wing 11 inches. 



C. gyninopis (Bare-eyed Cockatoo). 



271. Hook of bill nearly smooth underneath ; tongue brushed ; tail 



shorter than wing. Lorikeets. 272 



Hook of bill crossed by file-like ridges underneath ; tongue smooth ; 



tail longer than wing. Parrakeets. 280 



272. Bill longer than deep ; under side of lower mandii)lc nearly straight 273 

 Bill dee])er than long ; under side of lower mandible much curved. 



Cyclopsittacus. 279 



