4. CAC'ATUA. 



nr> 



a, b. Imm. sic. 



c. Ad. sk. 



d. Ad. sk. 

 <>,_/*. Imm. sk. 



ff-i. Ad. et imm. sk. 

 &. (J ad. ; I, m. Ad. 



et imm. sk. 

 n. d ad. 

 o. Imm. sk. 



Australia. 

 Australia. 



S. Australia. 

 Victoria. 



Linnenii Society. (Labelled 



as types of species.) 

 Purchased. 

 Hardwicke Coll. 

 Stevens Coll. 

 Tweeddale Coll. 

 Salvin-Godman Coll. 



Hume Coll. 

 Purchased. 



4. CACATUA. 



Type, 

 molucceusis. 



riyctoloplius, Vieill* Analyse, pp. 26, 70 (1816) . . C. 

 Cacatua, Vieill. N. D. xvii. p. 6 (1817) [ex Brisson, 



Orn. iv. p. 204, 1760) C. alba. 



Fsittacus, sect. Kakadoef, Cuv., Kuhl, Consp. Psitt. 



p. 11 (1820). 

 Pluctolophus, Xitzxch, Pterylograpliie, p. 146 



(1840). 

 Plissolophus, Gloqer, Gemeinn. Hand- u. Hilfs- 



buch, p. 193 (1842). 

 Plictolophus, Le Maout, Hist. Nat. Ois. p. 106 



(1853). 

 Eolophus, Bp. Rev. et May. de Zool. 1854, p. 155. C. roseicapilla. 

 Ducorpsius, Bp. Compt. Rend. xliv. p. 537 (1857). C. ducorpsi. 



Lophochroa, Bp. ibid. C. leadbeateri. 



Camptolo])hus, Sunder. Met//, nut. Av. disp. Tent. 



p. 69 (1872) C. haematuropygia. 



Range. Australia, Austro- Malay subregion, and the Philippines. 



Key to the Species. 



I. Feathers of the crest narrow, with the slender 

 point recurved at the extremity. 



a. Crest yellow ; cere naked. 

 «'. Crest sulphur-yellow. 



a". Feathers of the body white. 



a'". Larger; wing from 15-13 inches. 

 a i . Naked skin round the eyes white. galerita,p. 116. 

 b x . Naked skin round the eyes blue, triton, p. 118. 

 b'". Smaller; wing about 9 inches .. parvula, p k 120. 

 b". Feathers of the body white, slightly 

 but constantly tinged with sulphur- 

 yellow ; yellow patch on the ear- 

 coverts very conspicuous sulphured, p. 121. 



//. Crest orange-yellow citrinoeristata, p. 122. 



b. Crest vermilion at the base, with a yellow 



band in the middle of the vermilion part, 



white at the tip; cere feathered leadbeateri, p. 123. 



* The generic name Plyctolophus, which, according to Sundevull, is not Greek, 

 was abandoned by Vieillol himself. 



• Ourier ( tableau Blem. Bist. Nat. An. p. 286. 17'.'- . Regn. An. i. p. 4."3, 

 1S17' did not use either Kakadot or Cacatoes as a Latin generic term, but only 



i reneh name for a section of the genus Ptittacus. 



i 2 



