Xll 



LIST OF ILLUSTRATIONS 



25. Black and White Warbler, head 



26. Solitary Vireo, head . 



27. Warbling Vireo, head 



28. Red-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. Barn Swallow, tail 



35. Cliff Swallow ....... 



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



37. Towhee, head and breast .... 



38. Towhee, tail ..... 



39. Song Sparrow, head and breast 



40. Slate-colored Jiiuco, 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 breast 



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 breast 



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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