ILLUSTRATIONS. 



PLATES. 



Page. 



Plate I. Cardinal and gray grosbeaks ' Frontispiece 



II. Seeds and fruits eaten by grosbeaks 10 



III. Black-headed and rose-breasted grosbeaks ■- - 34 



IV. Blue grosbeaks 78 



TEXT FIGURES. 



Fig. 1. Seeds of smartweed 1] 



2. Seeds of cockspur grass 12 



3. Seeds of blue vervain 12 



4. Seeds of ribgrass J 12 



5. Seeds of corn gromwell 1 13 



6. Seeds of ragweed 13 



7. Caterpillar hunter 14 



8. BoUworm or corn-ear worm 10 



9. Cotton cut-worm 16 



10. Zebra caterpillar . 17 



11. Harvest-fly 17 



12. Billbug 19 



13. Figeater. 19 



14. Rose-beetle 20 



15. A flower eating scarabaeid 20 



16. Locust leaf-miner ,_ 21 



17. Seeds of yellow foxtail 29 



18. Seeds of rough tumbleweed__ \ 29 



19. Cotton boll weevil 30 



20. Cotton worm_: 31 



21. Seeds of black bindweed i l 41 



22. Pine buprestid 44 



23. Seed corn scarabteid ; 45 



24. Plum curculio 46 



25. Potato beetle 47 



26. Spotted cucumber-beetle 49 



27. Fall cankerwqrm 51 



28. Army worm 51 



29. Orchard tent-caterpillar 52 



30. Gipsy moth ' 52 



31. Brown-tail moth 53 



32. Buffalo tree-hopper 54 



33. Australian ladybird 69 



34. Codling moth 72 



35. Spring calnkerworm 73 



36. Black olive scale 73 



37. Seeds of green foxtail 81 



38. Purslane caterpillar , 82 



39. Lesser mlgatory locust S3 



40. Coral-winged locust 84 



4 



