451 
TABLE IV 
Norraern ILLINOIS, SEPTEMBER 6-15, 1909 
Showing distance traveled over each crop, acreage of each 
crop, and ratio of acreage of each crop to total acreage covered. 
Distance Ratio to 
Crops traveled eee total acreage 
in miles Per cent. 
Corn 28.23 | 513.22 29.3 
Pasture 23.76 | 431.96 24.6 
Meadow 12.61 229.25 13.1 
Stubble 19.68 | 357.78 20.4 
Orchard 1.29 9.38 0.5 
Timber 0.99 7.18 0.4 
Plowed ground 2.34 42.54 2.4 
Yards 2.75 50.00 2.8 
Gardens 2.90 52.72 3.0 
Waste and fallow 1.64 29.82 ath 
Swamp 0.75 13.64 0.8 
Wheat 0.22 4.00 0.2 
Oats 0.80 14.54 0.8 
Total 97.96 1756.03 100. 
° 
TABLE V 
NorTHERN ILLINOIS, SEPTEMBER 6-15, 1909 
Showing the number of “All Birds” in each crop, per cent. in each crop, 
birds per acre, and birds per square mile. 
Number Ratio to total | Birds Birds per 
Crops of No. of birds per Square 
Birds Per cent. | Acre Mile 
Corn 1551 38.6 3.02 1937 
Pasture 681 17.0 1.58 1010 
Meadow 321 | 8.0 1.40 895 
Stubble 254 | 6.3 0.71 455 
Orchard 171 4.2 18.23 11712 
Timber 20 0.5 2.78 1786 
Plowed ground 28 0.7 0.65 420 
Yards “891 22.2. 17.82 11409 
Gardens 63 1.6 1.19 765 
Waste and fallow 19 0.5 0.64 408 
Swamp 14 0.3 1.03 657 
Wheat 4 0.1 1.00 640 
Total 4017 100. | 2.27 1458 
