Xll 



LIST OF ILLUSTRATIONS 



25. Black and White Warbler, head . 



26. Solitary Vireo, head .... 



27. Warbling Vireo, head 



28. Ked-eyed Vireo, head .... 



29. Migrant Shrike, head .... 



30. Northern Shrike, head 



31. Rough-winged Swallow, head and breast 



32. Bank Swallow, head and breast . 



33. Tree Swallow, head and breast 



34. Bam Swallow, tail .... 



35. Cliff Swallow 



36. Rose-breasted Grosbeajs, Female, head and breast 



37. Towhee, head and breast .... 



38. Towhee, tail 



39. Song Sparrow, head and breast 



40. Slate-colored Junco, head and breast . 



41. Slate-colored Junco, tail .... 



42. Field Sparrow, head . . ... 



43. Chipping Sparrow, head .... 



44. Tree Sparrow, head and breast . 



45. White-throated Sparrow, head 



46. White-crowned Sparrow, head 



47. Seaside Sparrow, head and breast . 



48. Sharp-tailed Sparrow, head and breast 



49. Henslow's Sparrow, head and breast 



50. Grasshopper Sparrow, head and breast 



51. Vesper Sparrow, head and breast . 



52. Pine Siskin, head and breast 



53. Redpoll, head and breast 



54. White-winged Crossbill, head and wings 



55. Purple Finch, Female, head and breas^ . 



56. Bronzed Grackle, head 



57. Bronzed Grackle, tail ..... 



58. Red-winged Blackbird, Female, head and breast 



59. Bobolink, Female, head and breast . 



60. Blue Jay, head ..... 



61. Horned Lark, head and brefast 



62. Nighthawk, head .... 



63. Nighthawk, wing ..... 



64. Whip-poor-will, head .... 



65. Northern Flicker, head and breast . 



66. Red-headed Woodpecker 



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