496 
ECONOMIC EELATIONS OF OUR BIRDS. 
Tabular Summary of Economic Relations of American Warblers — continued. 
Number and Name op Speci¬ 
mens Examined. 
Classification 
OF Food. 
Ratios Represented by Lines. 
29 
0) 
Of twenty-nine Red- 
2 
.g 
starts examined. 
3 
o 
O 
29 
Animal food. 
1 .. 
Vegetal food. 
4 
Beneflcial. 
1 
5 
Detrimental. 
a 
173 
riimimiimiinnr 
Table showing kinds and numbers of animals, mostly insects, eaten by American 
Warblers. 
Number and Name of Speci¬ 
mens Examined. 
Classification 
OP Food. 
Of seventeen Black- 
and-white Creepers 
examined. 
3 
5 
6 
25 
3 
5 
6 
16 
2 
p 
3 
7 
1 
o 
a 
1 
1 
1 
17 
91 
3 
22 
2 
101 
Ante. 
Lepidoptera 
Diptera. 
Beetles. 
Heteroptera 
Caddis-fly .. 
Snail. 
Adult forms 
Larvae. 
Insect eggs . 
3 
7 
Of thirty-three Tennes¬ 
see Warblers exam¬ 
ined . 
6 
3 
3 
33 
T3 
aj 
.g 
s 
§ 
o 
11 
1 
Of twelve Black-throat¬ 
ed Green Warblers.. 
4 
1 
3 
1 
10 
4 
-a 
P 
P 
o 
a 
2 
13 
15 
13 
42 
35 
Hymenoptera .... 
Caterpillars . 
Diptera . 
Beetles . 
oa 
Heteroptera. 
189 
19 
11 
Larvae . 
BN 
Insect eggs. 
■■ 
8 
Lepidoptera. 
mmm 
2 
Diptera . 
am 
11 
Beetles . 
1 
Heteroptera. 
nn 
42 
Adult forms. 
13 
Larvas. 
mH 
