FIGURE 3 
Average number of Calling doves per weekly trip. 
Solid line -- Average of 2 routes. 
Dotted line -- Average of 3 routes. 
Broken line -- No trip on preseribed census niday. (1951) 
fy 
i ‘ 
i 
15 | Ay /\ be 
A j \ fi. \ oO 
/ \ \ +5 \ - 
/ 3 \ / \ po 
ii \ , \ / \ / 
\ \ / \ / 
\ / \ / \ / 
Wi : t : / 
Wi \ / \ rs 
iy / Ve 
j VV i ” 
rl i 
\ f 
\ 
N 
Stor” E Nowe | ny 
ha Jue say wvgurt___| sept, 
