ILLUSTRATIONS. 
PLATES. 
Page. 
Plate I. Four common seed-destroying sparrows Frontispiece. 
II. Fragments of insects found in birds' stomachs 12 
III. Fragments of grain and fruit found in birds' stomachs 13 
IV. Diagram showing proportions of food of six sparrows 92 
TEXT FIGURES. 
Fig. 1. Cutworm and moth 8 
2. Grasshopper . . 8 
3. Leaf-beetle - 9 
4. Weevil... 9 
5. Ichneumon fly .... 10 
6. Ground-beetle _. 10 
7. Jaw of May-beetle _ . _ 13 
8. Eyes of spider ... . . . 14 
9. Spicule of earthworm. .. 14 
10. Section of stem of fossil sea-lily , . 19 
11. Dung-beetle {Aphodius) 20 
12. Rocky Mountain locust . 23 
13. Four common weeds destroyed by sparrows 24 
14. Weed seeds commonly eaten by sparrows . _ _ 25 
15. Lark sparrow 66 
16. Field sparrow ... 79 
17. Song sparrow 82 
18. Dickcissel _ 89 
19. English sparrow „._ 92 
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