ILLUSTRATIONS. 



PLATES. 



Page. 

 I. Fig. 1. — Meadow mouse (Microfus pcini.siilniiiicii.s). Fig. 2. — Fine 



mouse {Microtiis phictorum scalopsoidcs) 16 



II. Roots of wild morning-glory stored l\v meadow mice 1 10 



III. Fig. 1.— Young apple tree eaten by pine mice. Fig. 2.— Young apple 



tree eaten by meadow mice 



IV. A neglected young orchard in winter 



Y Pig 1. — Pear tree injured by meadow mice. Fig. 2. — Apple tree 



injured by meadow mice 



VI. Fig. 1. — Low-headed apple tree in a Kansas orchard. Fig. 2.— 



Apple tree recovered after injury by mice 



VII. Fig. 1. — Apple tree killed by prairie mice. Fig. 2.— Apple tree 



killed by rabbits -'"^ 



A'lII. Apple trees girdled by prairie mice {Mkrotiis ochrogastcr) 



TEXT FIGURES. 



24 

 24 



24 



28 



28 



Fig. 1. Nests, burrows, and trails qf Mtcrotus pennsijlvdiiicus 16 



2. Field mouse caught in baited guillotine trap a^ 



3. Field mouse caught in unbaited guillotine trap 54 



