4.52 
TABLE VI (a) 
NoRTHERN ILLINOIS, WINTER, NOVEMBER 23-30, 1906 AND JANUARY 2-16, 1907 
Showing the number of each principal species that was observed in each of 
the principal crops. 
us! 
q re 
s Es} 
An ca 
| a mn 
oO 
3 2 & é 3 a | 2s eee 
S) q ‘a S a] BS 5 33 2s S) 
2 5 2 g § | 38 S. | Be. arial 
n 1S) n Au = Ay es n ic <q 
x 13 1 31 ib 4 50. 
305 19 9 4 32 
394c 3 2 , 6 2 1 15 
474b* 15 11 3 8 aay 
477 3 7 1 12 2 25 
488 30 57 28 19 2 15 33 207 
529 58 4 116 1 179 
5367 65 160 1 158 7 675 
559 18 6 43 3 4 62 137 
735 5 16 6 8 6 43 
All birds 225 258 272 193 30 41 25 127 1520 
SSS 
* 38 out of 75 of the 474b were found in wheat fields, 
7+ 284 out of 675 of the 5386 were found in wheat fields. 
TABLE VI (b) 
BeELo1t, WISCONSIN, TO EARLVILLE, InLINoIs, NOVEMBER 23-30, 1906 
Showing number of principal birds in principal crops per square mile. 
: Plowed Meadow 
Species Corn Stubble Wheat ground | Pasture crops 
28 27.1 16.5 3.4 6.0 
305 39.7 57.3 13.6 
474 6.3 27.2 6.0 
474b 12:7. 8.3 13.6 18.1 
488 41.7 38.2 8.3 23.8 78.4 
529 6.3 68.1 
536 135.7 6035.0 29.0 3.4 952.4 
559 25.0 47.7 12.1 _ 
