LUSTRATIONS. 
PLATES. 
Page. 
I. Fig. 1. — Meadow mouse (Microtus pennsylvanicus) . Fig. 2. — Fine 
mouse (Microtus pinetorum scalopsoides) 16 
II. Roots of wild morning-glory stored by meadow mice 16 
III. Fig. 1. — Young apple tree eaten by pine mice. Fig. 2. — Young apple 
tree eaten by meadow inieeJ 24 
IV. A neglected young orchard in winter 24 
V. Fig. 1. — Pear tree injured by meadow mice. Fig. 2. — Apple tree 
injured by meadow mice 24 
VI. Fig. 1. — Low-headed apple tree in a Kansas orchard. Fig. 2. — 
Apple tree recovered after injury by mice 28 
VII. Fig. 1. — Apple tree killed by prairie mice. Fig. 2. — Apple tree 
killed by rabbits 28 
VIII. Apple trees girdled by prairie mice (Microtus ochrogaster) 28 
TEXT FIGURES. 
Fig. 1. Nests, burrows, and trails of Microtus pennsylvanicus 16 
2. Field mouse caught in baited guillotine trap 54 
3. Field mouse caught in unbailed guillotine trap 54 
4 
