MARCH. 
1 
2 
3 
4 
5 
6 
7 
Date. 
Winter migrants congregating previous to departure. 
Winter migrants passing during night or in evening northwards. 
Winter migrants departed. 
Species commence incubation — a. nest completed — b. eggs lay- 
Partial migrants, temporarily visiting on way to breeding haunts. 
Summer migrants arrived. 
PHENOMENA. 
40-30 
i 
