24 
The Regulative Action of Birds upon Insect Oscillations. 
TABLES OF THE FOOD -Continued. 
Vireonidae. 
8 
2 
© 
a 
a 
8 
s 
"3 
S 
0 
CJ 
fH 
w 
Fringillidae. 
Icteridae. 
6 
© 
to 
3 
5 
* 
% 
« 
sS 
£ 
Li 
ci 
'O 
© 
O 
pj 
o 
3 
£ 
OQ 
«a 
3 
American Gold- 
finch. 
1 Yellow -winged 
Sparrow. 
o 
C 
CD 
to 
s 
o 
Field Sparrow. 
Black -throated 
Bunting. 
I Rose- breasted 
| Grosbeak. 
Indigo Bird 
Total. 
Cowbird. 
Red-winged 
Blackbird. 
Baltimore Oriole. | 
Number of Birds 
3 
7 
l 
1 
1 
8 
3 
14 
2 
18 
47 
1 
2 
3 
NUMBER OF SPECIMENS AND RATIOS IN WHICH EACH ELEMENT 
KINDS OF FOOD. 
OF FOOD WAS FOUND. 
3 
7 
i 
1 1 
1 
8 
3 
1 14 
2 
18 
47 
1 
2 
3 
Animal Food 
1.00 
1.00 1 00 
.30 
.65 
.96 
1.00 
.94 
.80 
.97 
.93 
.30 
.50 
1.00 
1 
1 
I. Mollusc a 
.. . 
.06 
.01 
3 
7 
l 
1 
1 
8 
■ 3 " 
14 
2 
’ 18 
47 
1 
2 
3' 
II. Insecta 
1.00 
1.00 
1.00 
.30 
.35 
.95 
1.00 
.88 
.80 
.97 
.91 
.30 
.50 
1.00 
1 
i 
3 
3 
1 
2 
8 
1. Hymenoptera 
4 
.02 
.03 
.01 
1 
.02 
.01 
.01 
2 
Fovmie.id* 
.01 
+ 
1 
1 
Tenthredinidae — 
.02 
.01 
3 
"7 
i 
7 
3 
13 
"2 
17 
43 
2 
3 
2. Lepidoptera 
.TO 
1.00 
.30 
.32 
.47 
.65 
2 
.63 
.67 
.57 
2 
.29 
1 
.40 
Noctuidse 
.14 
.04 
.25 
Nephelodes vio- 
1 
lans (larvae) 
.25 
3 
7 
2 
1 
10 
1 
17 
31 
1 
3 
Phalaenidae (larvae) 
.44 
1.00 
.16 
.20 
.46 
.05 
.60 
.41 
.01 
.40 
Anisopteryx ver- 
3 
7 
2 
1. 
10 
1 
17 
31 
1 
3 
nata 
.44 
1.00 
.16 
20 
.43 
.05 
.59 
40 
.01 
.40 
7 
1 
8 
3 Diptsva 
03 
28 
.05 
.05 
7 
1 
8 
Gnats 
.28 
.05 
.05 
Muscidae 
1 
03 
2 
3 
1 
1 
i 
7 
3 
11 
2 
18 
43 
1 
2 
2 
4. Coleoptera 
.15 
+ 
.98 
.30 
.05 
.25 
.47 
.22 
.15 
.29 
.26 
.30 
.11 
.60 
2 
1 
3 
4 
Carabid*© 
.05 
.30 
.04 
.02 
1 
1 
Nitidulidf© 
.01 
f 
1 
3 
1 
5 
Histeridae 
.03 
.04 
.01 
.01 
Trogositidfe 
1 
.01 
1 
3 
1 
3 
3 
7 
1 
9 
23 
1 
1 
3 
Scarabaeidae 
.08 
+ 
.98 
.14 
.08 
.11 
.02 
.15 
.12 
.25 
.03 
.50 
1 
2 
2 
1 
4 
9 
1 
3 
. Anomala binotata 
.08 
.09 
.04 
.02 
.10 
.06 
.03 
.50 
1 
2 
3 
1 
1 
Elateridae 
.01 
1 
.01 
.01 
1 
.04 
.01 
Lampyridae. 
1 
+ 
i 
3 
.02 
.06 
VL I <1111 If j LlU#j 
Psenocerus super- 
1 
notatus 
.02 
2 
2 
1 
01 
+ 
.02 
