LIST OF ILLUSTRATIONS 
FIGURE PAGE 
1. Squirrel, Showing Adaptation.1 
2. Human Hand, Showing Adaptation.2' 
3. Seeds Adapted for Wind Distribution.3 
4. Typical Animal Cell ..7 
5. Tissue ..8 
6. Female Grasshopper..19 
7. Diagram of Grasshopper.20 
8. Mouth Parts of Grasshopper ....... 21 
9. Jumping Leg of Grasshopper.22 
10. Wings of Grasshopper.23 
11. Grasshopper Nymphs.26 
12. Codling Moth Larva..26 
13. Worm in the Apple.27 
14. Codling Moth . 28 
15. Modern Spraying Outfit.30 
16. Scale Insects ..32 
17. Cicada.33 
18. May Beetle.34 
19. Eggs of Ladybug.35 
20. Monarch Butterfly.36 
21. Larva of Mourning Cloak Butterfly ...... 37 
22. Transformation of Pupa of Mourning Cloak Butterfly into Adult . 38 
23. Cecropia Moth ..39 
24. Redheaded Woodpecker.40 
25. Young Tobacco Worm.40 
26. Swallowtail Butterfly ..40 
27. Larvae of Leaf Miner.40 
28. Wingless Female of Tussock Moth.41 
29. Tent Caterpillars.42 
30. Cedar Waxwing.43 
31. Protective Coloration.44 
32. Yellow Swallowtail.45 
33. Honey-bee.45 
34. Queen Cells ..46 
35. Honey-bee Egg and Larvae.46 
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