The Auk. Vol. XXVI. 



Plate IX. 



mim 



Yellow-heai bd Blackbird Studies. 

 1. An unusually small, shallow nest; outside depth t inches. 2. An unusually 

 large, deep nest. 3 and I. Two nests showing abandoned beginnings below com- 

 pleted nests. 1, 2, and 3 taken with the same lens .-it the same measured distance. 



