TABLE II - Average Number of Young Per Brood by Species and Ape Class 1951 - 1952 
(Size of Sample Shown in Parentheses) 
a ee = ee ee eee 

1952 ; 1952 1952 1951 1952 
Species Age Class I Age Class II Age Class III All Age Classes All Age Classes 
Black duck 8.8 ( 8) 7.0 ( 7) 5.0 ( 1) 5.94 (31) 7.75 (16) 
Wood duck 9.0 ( 8) 5.0 (12) 4.8 (7) 7.29 (26) 6.24 (25) 
Ring-necked duck * 6.7 { 3) 5.8 ( 5) p 5.11 (19) 6.12 ( 8) 
Goldeneye 8.0 ( 3) 4.3 ( 4) - 3.39 ( 9) 5.90 ( 7) 
Hooded Merganser 8.5 ( 2) 6.3 ( 3) 7.5 ( 2) 5.83 ( 9) 7.30 ( 7) 
American Merganser 5.0 ( 1) 12.0 ( 4) - 6.44 ( 9) 10,60 ( 5) 
Mallard 5.5 ( 2) - - - 5.50 ( 2) 
ee TTTTTSnnITInmanenieeessimnemans dace tesiensdiaen tne aS aaa asia acca acacia 
* Some broods included twice (once under each age class) in several cases. 
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