PLYCTOLOPHUS GALERITUS, Tig. Sf Hor.sf. 
Plyct. albus ; crista, remigum rectricumqiie lateralium pngoniis internis, pteromatibusque inferioribus 
sulphureis ; rostro nigro ; pedibus brunneis. 
Long. tot. 20 line. ; alec, 1 4- ; caudcB, 8 ; tarsi, 1 . 
All the plumage white, with the exception of the elongated occipital crest, which is deep sulphur 
yellow, and the ear-coverts, centre of the under surface of the wing, and the basal portion of the inner 
webs of the tail-feathers, which are pale sulphur yellow ; bill black ; feet brownish black. 
Syn. Psittacus galeritus, Lath. Ind. Orn., p. 109, No. 80. — Kuhl, Nova Acta, &c., vol. x. p. 87, 
No. 157. 
Crested Cockatoo, White's Journ., pi. in p. 237. — Lath. Gen. Hist., vol. ii. p. 205, no. 136. 
Great Sulphur-crested Cockatoo, Shaw, CJen. Zool., vol. viii. p. 479. 
Plyctolophus galeritus, Vig. and Horsf. in Linn. Trans., vol. xv. p. 268. — Vig. in Lear s 111. 
Psitt., pi. 3. — Shaw, Gen. Zool. vol. xiv. p. 108. 
Cacatua galerita, Vieill. — Wagl. Mon. Psitt. in Abhand., p. 694. 
Habitat. Van Diemen's Land, New South Wales, &c. 
