A Monograph of Marcus Island. 



105 



kind, the ^^% will be incubated, the young come out and sit until 

 it is able to fly short distances. On some occasions I found nests 

 as high as twenty-five feet from the ground, on others as low as 



Fig. s. Typical nesting site of the White Tern, Gygis alba kittUtzi Hart. 

 The single ^%% is often skilfully deposited in an irregularity of the bark on 

 a slanting limb, where, without any attempt at nest making, the young is 

 hatched and brought to maturity. 



a foot from the ground, but at no place did I .see one on the ground. 

 The young in Augu.st were most all in the pin feather and were 

 curiously marked with rusty or clove-brown edges to part of the 

 feathers of the back and head. Many w'ere able to fly about with 



