Plate VII. Nest Building (cont.), and a March Nest. 
. 1. A nest (that of Fig. 2, Plate VI) a completed. An 
ldssive “paving” has been placed about the border of the 
nest away from the dead grass ania All of the material 
here shown was laid within twenty-four hours. 
Fig. 2. Nest (A,), surrounded om sas Has covered by snow 
as, Ye a 
from the lower edge, show that the havk returned to the nest 
during an interval of the writer’s absence. 
