ARDEA, X, 1921. 



PI. III. 



Fig. 8. Red-throated Diver ou nest. Tundra Boheman, July 30. 1921. 



Fig. 9. Red-throated Diver, utLackiug a man. 

 Tundra Bohcnian, Au-. 8, 1921. 



Van Ookdt phot. 



