﻿Fig. 51. — This illustration shows transition stages from tlie tree breeding habit to 

 the sand breeding stage depicted on the next plate. The upper figure shows a nest 

 of dead twigs placed on tlie ground. The middle figure shows a number of nests 

 placed among debris and rulibish on the site of the blown down house, while the lower 

 figure shows an egg placed on a lioard. 



(52) 



