64 
The Food of Fishes. 
found eaten by this species — was taken from this stom- 
ach. A specimen taken in June at Peoria had .3aten about 
equally of minute unrecognized fish-fry and Palingenia 
larvae. One caught at Ottawa, in J uly, had eaten only 
insects — Corixa twenty-five per cent., Palingenia larvae 
seventy-five per cent. 
Table of Pood of Pomoxys. 
One inch and under. I 
1 
One inch to three. 
Three to four inches. 
March, Peoria. 
April, Peoria. 
May, Pistakee L. 
June, Peoria. 
July, Ottawa. 
October, Peoria. 
November, Henry. 
Total adults. 
Mo. of specimens 
I. Fishes 
3 
6 
6 
5 
06 
9 
1 
1 
50 
1 
5 
39 
10 
5 
28 
08 
~ / 
15 
03 
Acanthopteri 
Boleosoma. 
01 
04 
04 
04 
39 
Cycloid 
1 1 
11 
Cyprinidae .... 
03 
01 
73 
OI 
Hybopsis 
28 
28 
17 
90 
II. Insects.. 
90 
05 
50 
100 
61 
01 
01 
72 
02 
i. Hymenoptera 
2. Diptera (larvae) .... 
Corethra. 
28 
07 
t 
07 
12 
03 
09 
Chironorrius 
28 
t 
03 
02 
01 
01 
01 
86 
72 
66 
14 
t 
t 
000 
U) Ul w 
3. Coleoptera (larvae) 
Gyrinidae 
01 
Dytiacidae 
4. Hemiptera 
18 
18 
03 
03 
03 
03 
02 
02 
39 
15 
! 5 
24 
25 
25 
75 
0 1 
01 
68 
54 
52 
12 
01 
'01 
12 
Corixa 
5. Neuroptera (larvae) 
F.phemeridae. 
t 
85 
50 
60 
44 
44 
67 
67 
Palingenia . . 
55 
30 
50 
75 
Agrionidae 
Libel lulidae 
Sialidae (Corydalis) 
t 
16 
III. Crustacea . . . 
Gamroarus 
72 
72. 
83 
57 
10 
t 
10 
10 
t 
Kntnmostraca . . . 
72 
49 
46 
03 
72 
33 
18 
01 
14 
83 
1 7 
i7 
t 
55 
55 
55 
12 
12 
12 
Ciaclocera 
Daphniidae 
Lynceidae 
Sididae 
Ostracoda 
01 
65 
t 
"t 
t 
t 
t 
Cope poda 
23 
39 
10 
t 
t 
IV Vegetation 
t 
— 
Five croppies from Peoria, in October, 1878, and five 
from Henry, thirty miles above, in November, 1877, indi- 
cate that the autumnal food of the species is again differ- 
