THE COCKATOO PAREAKEET 209 



The Long-billed Cockatoo (Corella). 



Licmetis nasica. 



Northern Territory, New South Wales, Victoria, and South Australia. 



White, lores and a narrow frontal band red, the feathers of the head, 

 neck and breast red at the base, under surface of wing pale yellow, bare 

 skin round the eye light blue. Total length 15 inches, wing 11, tail 5, 

 bill 1.95, tarsus 0.95. Egg 1.4 x 1 inch. 



Like the other white Cockatoos tliej^ feed on the ground, 

 generally on the thickened roots of plants, such as the native 

 yam, and also dig up with their long bill and devour many 

 thousands of the eggs of the grasshopper. 



The Dampier Cockatoo. 



Licmetis pastinator. 



West and North-west Australia. 



Very similar to the foregoing species, but the bare spaces round the 

 eyes are larger and darker, being blue-lead colour. Their eggs (4) 

 measure 1.60 x 1.15 inch. 



Sub-family Calopsittaciiue. 

 Genus Calopsittacus. 



The Cockatoo Parrakeet. 



Calopsittacus novce-hoUandim. 

 Australia generally. 



Dark grey, forehead and cheeks yellow, crest grey with base of the 

 feathers yellow, ear-coverts orange, a white patch on the wing coverts. 

 Total length 12.5 inches, wing 6.5, tail 6.6, bill 0.65, tarsus 0.6. The 

 female is paler than the male. The eggs (5 to 7) measure 1.06 x .76 inch. 



These birds are more plentiful in the inland districts than 

 near the coast, and are to a limited extent migratory. 



Suh-family Paloeornitli ince. 



Key to the Genera. 



Bill weaker, with upper mandible not notched. Polytelis. 



Tail feathers very broad, and almost equally long. Ptistes. 



Tail much graduated, bill upper mandible notched and 



red, especially at base. Aprosmictus. 



