159 



This particular hill ^yas only used during the coldest weather; at other 

 times the croAvs moved about from place to place for their roost. The hill 



MAP OF VALLEY OF CROW ROOST. 



...•'■%./■■■,., Indicate? roosting crow.=. 



IndicatBs path of crows entering the valley. 



Contour lines 10 ft. apart. 



and the elevation of the surrounding land (as shown in the map) certainly 

 furnished protection against tlie cold. 



The crows began to arrive about 4 p. m., alighting in the neighboring 

 trees and along the river bank, drinking water and picking pebbles. The 



