94 
THE WINTER FOOD OF THE CHICKADEE 
cent, ot undetermined vegetable matter. In addition there were 9 per 
cent, of aphid eggs, an equal ratio of adult insects, and 8 per cent, of 
insect larvae. The second had eaten even less that morning, there 
being only a few skins of aphid eggs, and the rest of the material con- 
sisting ot bud scales and undetermined vegetable matter. 
TABLE I.— FOOD OF THE CHICKADEE. 
Months. 
Nov. 
Dec. 
Jan. 
Feb. 
March. 
Sum- 
mary. 
No. of specimens each. 
1 
1 
4 
15 
20 
O 
0> 
6 
a> 
6 
a> 
'*-( 
O 
6 
«m 
O 
6 
<D 
cm 
O 
6 
0 
cm 
O 
Kinds of Food. 
CO 
* 
a ^ 
0 T 
CO 
CM 
a 0 
cc 
«m 
0 0 
T S1 
a 
CO 
Cm 
W • 
0 
V ~ 
CO 
Cm 
c « 
0 
0 ^ 
c 
O 
0 z 
C 
0 
^ 0 
Q 
0 ^ 
6 
e 5 s 
6 
a> ^ 
6 
« * 
6 
^ £ 
Q 
a* ^ 
2 
a, 
2 
2, 
2 
a. 
2 
cu 
2 
2 
Ph 
1 
Arthropoda (undetermined) I . . . 
Insecta “ ... 
Insect eggs “ ... 
Insect larvae “ 
Coleoptera “ 
Scolytidae 1 
Carabidae . . . 
Tenebrionidae 
Chrysomelidae . . . 
Curculionidie 
Larvae 
Lepidoptera(imdeterm’d) 
Eggs 
A nisopteryx pometaria . 
Clisioeampa 
Larva? (undetermined). 
Carpocapsa pomnnella? 
Pupae (undetermined).. 
Diptera 
Larvae 
Puparia 
Hemiptera (undetermi’d) 
Jassidae 
Coccidae 
Eggs (Reduviidae).* 
( Aphididae) 
Hymenoptera 
Cocoons 
Spiders 
Eggs 
Vegetable matter (undeter- 
mined) 
Bud" and bud scales 
Sumach fruit 
Seeds 
Lichens 
Insect excrement (?). 
Spiders’ silk 
Undetermined 
Sum mary. 
.85 
.01 
1 .02 
1 
.02 
1 .10 
87 
Insecta 
Arachnid a 
Vegetable matter .02 
Extraneous “ — 01 
Undetermined matter 10 
.04 
.05 
.04 
.04 
.01 
.03 
.01 
.01 
.03 
.03 
.05 
4 
13 
... .. 1 
4 .56 9 
! 1 4 
2 .03 3 
1 01 
.11 
88 
5 
•••!••••: 2 
4 .24 15 
.01 
.11 
16 
.59 
.09 
.24 
3 
.01 
4 
.005 
.02 
5 
.03 
12 
.03 
.01 
rr 
i 
.02 
11 
.015 
6 
.04 
i 
.02 
.01 
7 
.04 
8 
.02 
1 
.02 
2 
1 
1 
2 
... 
3 
.03 
5 
.02 
4 
.10 
6 
.06 
.01 
1 
• • • 
5 
.01 
2 
.01 
ry 
i 
.015 
.01 
2 
.01 
3 
.01 
.06 
8 
.06 
15 
.065 
.06 
1 
.01 
3 
.025 
. . . 
6 
.02 
8 
.01 
.01 
2 
.01 
4 
.01 
4 
.02 
5 
.01 
1 
.01 
1 
.005 
1 
.... 
1 
2 
.01 
2 
.005 
1 
.... 
1 
.01 
2 
.01 
7 
.01 
.35 
14 
12 
31 
.21 
1 
.... 
1 
. • . 
3 
.02 
4 
.01 
.03 
11 
.06 
16 
.04 
.03 
4 
.03 
8 
.025 
> • • • 
5 
.04 
6 
.02 
.10 
15 
.10 
28 
.14 
.05 
7 
.07 
12 
.04 
.01 
1 
.... 
6 
.01 
2 
— 
2 
.09 
• • • 
.... 
6 
.03 
.01 
9 
.02 
11 
.01 
.12 
20 
.10 
41 
.11 
56 
58 
57.5 
6 
• • . . 
9 
.... 
.065 
.16 
.... 
.21 
• • • • 
.21 
.02 
| . 
.04 
.12 
. . . . 
.10 
. . . . 
.11 
