March, 1914.] The Food of Rana Pipiens Shreber. 
261 
Since the greater number of stomachs contained no sand, and 
since, as a rule, sand was found only in stomachs containing 
ground animals, I am inclined to think that its ingestion was 
merely incidental. 
LOT IV 
Tog N umber 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
II 
12 
13 
14 
Ani mats 
2 
1 
1 
2 
1 
X 
4 
2 
3 
2 
2 
2 
3 
4 
Spiders 
1 
1 
1 
1 
2 
1 
3 
2 
2 
1 
3 
I n-sects 
2 
1 
2 
1 
2 
2 
/ 
Acrid i olae 
1 
/ 
Membractdae 
1 
1 
Cote rp i 11 or s 
2 
1 
1 
Colcoptera 
1 
1 
1 
Cicindcliolae 
1 
1 
Rhqnchophora 
1 
Pom pi lidae 
1 
t This stomach contained sand only. 
Collected Aug. 13, 1913, between 4:00 p. m. and 5:00 p. m. 
LOTV. 
Frog Number 
1 
2 
3 
4 
3 
6 
7 
8 
9 
noti ii 
12 
13 
14 
15 
16 
Am mods 
(0 
7 
3 
3 
6 
Cd 
5 
3 
4 
3 
2 
2 
5 
3 
3 
1 
Mol lusca 
2 
l 
Mpnapod 0 
2 
Spiders 
3 
4 
2 
3 
2 
1 
2 
2 
2 
1 
1 
Insects 
3 
3 
1 
2 
2 
G 
4 
4 
2 
3 
2 
4 
/ 
3 
Acr ididae- 
l 
1 
1 
Cate rpi 1 la rs 
1 
1 
3 
1 
1 
2 
1 
1 
Diptera 
1 
Coleopfera 
2 
1 
1 
1 
1 
2 
3 
3 
1 
2 
2 
Carabidae 
1 
1 
1 
1 
Cicindelidae 
1 
1 
Rbqnchophora 
2 
1 
1 
2 
2 
1 
2 
2 
For m i ci h a 
1 
l 
2 
Bembecidac 
2 
Collected Aug. 15, 1913, between 10:30 a. m. and 1:00 p. m. 
Animal Matter. The frog’s food consists of mollusks, 
crustaceans, myriapods, spiders, and insects; in fact any sort of 
living creature is acceptable to it as both sense of taste and of smell 
are apparently obtuse. In a few stomachs, a smail amount of 
