EXPLANATION OF PLATES 



Plate VI 



Fig. 1 — General view of the nest site. Nest is in depressed limb of the 

 elm tree. 



Fig. 2 — Nearer view of the Vireo nest. 



Fig. 3 — The joung are removed to show how much larger the Cowbird 

 is than the Vireo nestlings. 



Plate VII 



Fig. 1 — The Female Vireo inspecting the young. 



Fig. 2 — The Female Vireo at the nest. The pencil is held almost in con- 

 tact with her bill. 



Fig. 3 — The Male Vireo at the nest. He was a little more aggressive 

 and would peck at the pencil. 



Plate VIII 



Fig. 1 — The female feeding. 



Fig. 2 — The female often sat for several seconds beside the nest after 



feeding. 

 Fig. 3 — ^^Inspecting. 



38 



