AVES. 445 



Cacatua BRISS. l , GRAY, Plyctolophus VAILL. Bill short, strong, 

 curved, with tip acute, end of the lower mandible truncate, emar- 

 ginate. Head crested. Wings long, with second, third and fourth 

 quills subequal, longest of all. Tail short, even. 



The cockatoos are large crested, white parrots from the Moluccan and 

 Philippine Islands and from New Holland. Sp. Psittacus cristatus L., BRISS. 

 Ornith. rv. PI. 21, BUFF. PL enl. 263; white, the tail yellowish below, 

 bill and legs black. The crest is yellow and the wings are long in Psittacus 

 galeritus LATH., Psittacus cristatus, WHITE Journal, PI. 26, p. 237, LEAB 

 Parr. PL 3, GUEB. Iconogr., Ois. PI. 36, fig. 2. Psittacus rosaceus LATH., 

 Psittacus moluccensis GMEL., BUFF. PL enl. 498, LEAB Parr. PL 2, is rosy- 

 white, the crest red within. These species, especially the last-named, are 

 larger than the rest. To the smaller species belong: Psittacus sulphu- 

 reus GMEL., BUFF. PL enl. 14, Cuv. R. Ani., 3d. ill, Ois. PL 55, fig. 5, 

 with yellow crest and a yellow spot under the eyes. Psittacus philippina- 

 rum GMEL., BUFF. PL enl. 191, with a white bill, &c. On account of its 

 beautiful crest-feathers the following deserves notice, Psittacus Leadbeateri 

 VIGOBS, LEAB Parr. PL 5, SELBT 1. L PL 13, from New Holland. 



Calyptorhynchus VIGORS and HoRSF., (Banksianus LESS, and 

 Callocephalon ejusd., Cory don WAGL.). Bill high, with culmen 

 declivous, arched, with tip curved; lower mandible short, some- 

 times broader than upper, with tip excised, covered at the base by 

 recumbent feathers. Tongue fleshy, smooth. Tail somewhat long, 

 "broad, rounded. Wings with third, fourth and fifth quills sub- 

 equal, longest of all. Tarsi very short, covered with small scales. 

 Feathers of the crown very often produced with a kind of crest. 



Sp. Calyptorhynchus Banksii, Psittacus Banksii LATH., PHILLIP Voy. to Bot. 

 Bay, PL 40, p. 267, LESS. Ornith. PL 18, fig. 2, &c. Compare LAFBES- 

 NAYE in GUEBIN Magas. de ZooL 1834, Ois. PL 24 26. Large, black 

 birds of New Holland, with red on the outermost tail-feathers. They feed 

 not only on fruits and seeds, but also on bulbous roots. 



Nestor WAGL., Centrourus SWAINS. Bill longer than high, 

 compressed, curved, gaping at the sides. Claws strong, curved. 

 Wings long, with third and fourth quills longest of all. Tail 

 moderate, almost even, with the points of the feathers naked, acute. 



Sp. Nestor Novce Zeelandlce LESS., Psittacus australis SHAW, SELBT Parr. 

 PL 12 ; Nestor productus GOULD. 



1 This name is derived from the note of the bird, as the word Cuculus with the 

 ancients. 



