BUSH WREN 151 
but ranging over the forests of a mainland; not 
laying a clutch of two eggs, the sign of a failing, 
or at any rate of a curtailed, food supply; his 
choice of building sites not relegated to damp 
chinks and cracks; his domed nest not built in 
the dark; his flight not limited to a flutter of a 
few yards; himself during incubation not for- 
bidden the warm precincts of the natural day. 
