4. CACATUA. 1^3 



Adult. While ; crest yellow-orange ; ear-coverts tinged with yel- 

 low ; base of the feathers of the head and neck, and of the inner 

 web of the quills and tail-feathers, sulphur-yellow ; naked ring 

 round the eyes whitish grej : bill and feet black ; iris dark brown. 

 Total length 14 inches, wing 9-5, tail 5, bill 1-4, tarsus 0*7. 



Huh. Suniba. 



a. Ad. st. [Timor ?] Purchased. 



b. $ ad. sk. [Timor-lautP] (Purchased at Wallace Coll. 



Surabaya.) 

 e. Ad.sk. [Moluccas.] Tweeddale Coll. 



d. Skeleton. 



6, Cacatua leadbeateri. 



Plyctolophus leadbeateri, Vig. P. Z. S. 1831, p. 6] ; id. Philos. 



May. x. p. 55 (1831); Lear, Parrots,-p\. v. | 1832); Selby, Nat. 



Libr., Parrots, p. 126, pi. 13, and frontisp. (1836) ; Mitch. Trav. in 



Austr. ed. 2, tig. p. 47 (1838) ; Bp. Rev. et Mag. de Zool. 1854, 



}i. 155, n.258; id. Naumannia, 185(5, Consp. Psitt. n. 272; SouaneS. 



ttev. et Mag. de Zool. ]^5(;, p. 225. 

 Cacatua leadbeateri, Wagl. Man. Psitt. p. 692 (1832) ; Less. Compl. 



de Buff., Ois. p. 603 (1838) ; Gould, Syn. B. Austr. pi. — (head) 



( 183- ?) ; Gould, B. Austr. v. pi. 2 (pt. x., 1843) ; G. P. Gr. Gen. 



11. iii. p. 42"), n. 3 ( 1845) ; Rchnb. Neuentd. J'b'i/. N. Bull. no. 189 



(1850); Bolle, Journ.f. Orn. 1850, p. 170; Xhggl. Orn. of Austr. 



ii. pi. 71 (1857); G. P. Gr. List Psitt. Brit. Mm. p. 95 (1859) ; 



Sclat. P. Z. S. 1864, p. 188; Schley. Mus. P.-B. Psittaci, p. 141 



(1864); id. Dierent.f 82 (1864); Gould, Sandb. B. .Austr. ii. 



p. 5 (1865); Schleg. Mus. P.-B. Psittaci, Revue, p. (6 (1874); 



Garrod, P. Z. S. 1874, pp. 587, 588, 591, 1876, p. 419: Diggl. Syn. 



Austr. B. ii. p. 71, pi. 71 (1877) ; Schmidt, P. Z. S. 1880, p. 309 ; 



Sclat. List Vert. An. 8th ed. p. 310 (1888); Ramsay, Tab. List, 



p. 15, n. 468 (1888); Tristr. Cat. Coll. B. p. 72 (1889); North, 



Descr. Cat. Nests <$■ Eyas Austr. Birds, p. 251 (1889) ; Ramsay, 



Cat. Austr. B., Psittaci, p. 3 (1891). 

 Plyctolophus erythropterus, Sw. Class. B. ii. p. 302 (1837). 

 Kakadoe crista fcricolorata, Bourjot, Pen: pi. 72 (1837-38). 

 Leadbeater's Cockatoo, Elsey, P. Z. S. 1857, p. 26. 

 Lophochroa leadbeateri, Bp. Compt. Bend. xliv. p. 537 (1857); 



Finsch, Ned. Tijdschr. Dierk. i. Uerigten, p. xxii (1863) ; G P.' 



Gr. Hand-list, ii. p. 170, n. 8899 (1870). 

 Plictolophus leadbeateri, Finsch, Papag. i. p. 304 (1867); Gieb. 



Tltcs. Orn. iii. p. 229 (1877); Ramsay, 7V. Linn. Soc. N.S. U'. 



ii. p. 192, n. 446 ( 1878); Rchinc. J'oyelbild. t. iv. f. 6 (1878-83). 

 Plissolophus leadbeateri, Rchmr. Journ. f. Orn. 1881, p. 28 ( Cotisn 



Psitt. p. 28). v /• 



Adult. Pileum, back, wings, tail, and under tail-coverts white; 



forehead, sides of the head, neck, breast, and abdomen tinged with 

 rose-colour, becoming vin bright under the wings and at the base of 

 the inner web of the tail-feathers ; feathers of the occipital crest 

 vermilion at the base, with a yellow spot or baud in the centre, and 

 white at the tip: bill light horn-colour ; feet blackish ; naked skin 

 round the eyes light grey : iris brown. Total length 16 inches, 

 wing 11, tail 6 - 3, bill Ki, tarsus 0'95. 



