THE COCKATOOS 



1871 



upper parts is white, the sides of the head, neck, together with the breast, under 

 parts, and tail coverts are tinged with a pale rose color, being very bright under 

 the wings. In size this species comes next to the greater sulphur-crest, its total 

 length being about sixteen inches. 



In the second great group the feathers of the crest, as shown in our figure 

 of the head of Ducorps' cockatoo (C. ducorpis) of the Solomon islands, are broad 



RED-CRESTED COCKATOO. 

 (One-fourth natural size.) 



with rounded tips, which do not curve forward. In the larger forms, which corre- 

 spond in size to the greater sulphur-crested species, the feathers of the crest are very 

 long, and the cere is naked. One of the best-known forms is the great white-crested 

 cockatoo (C. alba), from the Halmahera group of the Moluccas, in which the whole 

 plumage is white. Readily distinguished by its vermilion crest the rose-crested 

 cockatoo (C. moluccensis) , represented in the figure on this page, appears to be 



