750. The American Naturalist. [September, 
The full grown specimens of this snake feed largely on frogs, 
their stomachs often containing two and even three specimens 
of the full grown leopard frog (R. virescens). On one occa- 
sion we observed a member of our excursion party imme- 
diately after capturing and encaging a large specimen of these 
garters make a test of its appetite. It voraciously and in 
succession swallowed three large specimens of the common 
leopard frog. The snake still seemed anxious for more frogs, 
but the cries of the latter and the pleading of the young ladies, 
members of the class, caused the said young man to cease his 
experiment 
A very peculiar feature of their food habits consists of the 
fact that specimens of this garter not exceeding two and one- 
half feet in length almost invariably contain within their 
stomachs specimens of the common earthworm. Often their 
stomachs are filled. Other varieties of this species as well as 
E. radix possess the same food proclivities. The manner of 
capturing these worms would certainly be interesting. We 
have examined specimens from Cuming, Nemaha and Saun- 
ders counties. Dr. Yarrow mentions one specimen from 
Republican River, Mo. (Nebr.). 
17. NATRIX LEBERIS Linn. 
This beautiful snake is one of our commonest serpents and 
is very abundant around sloughs and stagnant waters. We 
have more frequently found this specimen in muddy wet 
grounds than in the water. This fact, together with the 
shape of its body and head and the fact that crawfish seem to 
constitute its principal food has led the writer to think that 
perhaps this snake is an expert at pulling the crawfish out of 
the holes made by these forms. We have found as many as 
five and six crawfish in one stomach and have never found other 
substances excepting insect larvee and masses indistinguish- 
able. 
We have examined specimens from Gage, Lancaster and 
Nemaha counties. 
