38 
The Food of Fishes. 
Table of the Food of the Percid;e. 
[ 
Perca. 
One inch and under. 
One to two inches. 
Two to three inches. 
Three to four inches. 
River specimens. 
Lake specimens. 
Stizostethium. 
Number of specimens examined 
2 
9 
4 
4 
18 
12 
26 
I. Fishes 
| 06 
86 
50 
08 
08 
1 00 
Undetermined 
'J'l 
Acanthopteri 
1 
9 r 
Undetermined 
| 
08 
Poecilichthys 
°6 
Centrarchidae 
oc 
Undetermined 
nl 
Micropterus 
OJ 
02 
Haploidonotus 
08 
A T 
Dorysoma . 
Cyprinidae 
• 00 oc 
• N C 
4 1 
00 
Undetermined 
l 
oc 
Semotilus 
i 
Siluridae 
u 4 
08 
0/1 
Undetermined 
Amiurus 
u 4 
Ol 
II. Mollusca 
19 
0 c 
w 4 
Physa heterostropha .... 
t 
Succinea 
01 
Valvata 3-carinata 
w 4 
01 
Cyclas 
OC 
Unio 
04 
24 
t 
III. Insecta 
34 
100 
45 
Pupae 
1. Diptera (larvae) 
10 
06 
1 
01 
Undetermined 
01 
Chironomus 
09 
23 
23 
11 
06 
01 
2. Hemiptera 
12 
04 
04 
04 
Corixa 
Undetermined 
C. alternata 
12 
C. tumida 
12 
3. Neuropterci (larvae) 
01 
88 
35 
35 
35 
23 
08 
O'* 
Ephemeridae 
01 
83 
Undetermined 
Palingenia 
83 
05 
'■'J 
nC 
• • • 
Agrionidae 
04 
08 
O'* 
- 
Libellulidae 
Phryganeidae 
