148 TRICOLOUR-CRESTED COCKATOO. 



heard from the natives that it makes its nest in the 

 rotten limbs of trees, of nothing more than the vege- 

 table mould formed by the decayed parts of the 

 bough ; that it has no more than two young ones at 

 a time ; and that the eggs are white, without spots. 

 The natives first find where the nests are, by the 

 bird making cotora in an adjoining tree, which lies 

 in conspicuous heaps on the ground. Cotora is the 

 bark stripped off the smaller branches, and cut into 

 email pieces. When the young ones are nearly 

 fledged, the old birds cut a quantity of small branches 

 from the adjoining trees, but never from that in which 

 the nest is situated. They are sometimes found to 

 enter the hollow limb as far as two yards. The 

 nests are generally found in a black-butted gum-tree, 

 and also in Coroy'bo, Cajim- bora 9 and Yarrotvarry 

 trees (species of Eucalyptus)" Our next figure re- 

 presents the 



