Let 
Table 11. Age Class Distribution of Broods, 1954 to 1959 
Year 
1954 
1955 
1956 
1957 
1958. 
1959 
Stratum man 
% in % in 
Class I Class If 
61.5 " 33-5 
41.9 30.2 
31.2 41.6 
2922 | 43.2 
DLT 34.5 
60.4 32.7 
% in 
Class IIl 
200 
27-9 
2(.2 
27.6 | 
13.8 
6.8 
Stratum "B" 
% in % in 
Class I Class Il 
62.9 20.0 
17.4 43.5 
‘17.6 50.0 
28.1 56.1 
45.2 45.2 
63.0 34.8 
%in | 
Class III 
17.1 
39.1 
32.4 
15.8 
9-7 
2.2 
Strata WA" 2 "B" 
% in 
Class I 
62.2 
29.9 
29.4 
29.1 
51.2 
60.8 
% in 
Class II 
26.44 
36.7 
42.8 
hy 
35-4 
33.0 
% in 
Class IIT 
11.4 
33.4 
27.8 
—626.5 
13.5 
6.2 
