ILLUSTRATIONS 



PLATES. 



rage. 



Plate I. Cardinal and gray grosbeaks Frontispiece 



II. Seeds and fruits eaten by grosbealvs 10 



III. Blaclv-headed and rose-breasted grosbealis 34 



. IV. Blue grosbeaks 78 



TEXT FIGURES. 



Fig. 1. Seeds of smartweed 11 



2. Seeds of cockspur grass 12 



3. Seeds of blue vervain 12 



4. Seeds of ribgrass " 12 



5. Seeds of corn gromwell 13 



6. Seeds of l•ag^veed 13 



7. Caterpillar hunter 11 



8. Bollworni or corn-ear worm K' 



9. Cotton cut-worm 16 



10. Zebra caterpillar : 17 



ll^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 tuinbleweed__ 29 



19. Cotton boll weevil 30 



20. Cotton worm 31 



21. Seeds of black bindweed 41 



22. Pine buprestld 44 



23. Seed corn scarabjeid *15 



24. Plum curculio . 46 



25. Potato beetle 47 



26. Spotted cucumber-beetle 49 



27. Fall cankerworm 51 



28. Army worm 51 



29. Orchard tent-caterpillar •'^2 



30. Gipsy moth 52 



31. Brown-tail moth 53 



32. Buffalo tree-hopper 54 



33. Australian ladybird 69 



34. Codling moth 72 



35. Spring cankerworm 73 



86. Black olive scale _— — 73 



37. Seeds of green foxtail 81 



38. Purslane caterpillar •*^2 



39. Lesser migatory locust S3 



40. Coral-winged locust 84 



4 



