LIST OF ILLUSTRATIONS. x iii 



FIGURE PAGE 



46. (a) Bill and wing of Baltimore Oriole ; bills of (b) Meadow- 



lark, (c) Purple Grackle 52 



47. Bills of (a) Cardinal, (b} Pine Grosbeak, (c) Purple Finch, 



(d) Red Crossbill, (e) Seaside Finch, (/) Goldfinch . . 52 



48. Bill of Scarlet Tanager 52 



49. Bill and foot of Cliff Swallow . . ' . . . . .53 



50. Head of Cedar Waxwing . . . 53 



51. Bill of Loggerhead Shrike 53 



52. Bill of Blue-headed Vireo 53 



53. (a) Bill of Tennessee Warbler ; (b) bill, wing, and hind-toe of 



Pine Warbler; bills of (c) Redstart, (d) Water-Thrush; 



(e) Chat 53 



54. Bill and hind-toe of American Pipit 54 



55. (a) Bill of Brown Thrasher, (b) bill and wing of Catbird ; 



bills of (c) Carolina Wren, (d) House Wren . . . .54 



56. Bill and tail of Brown Creeper 54 



57. (a) Bill of White-breasted Nuthatch, (b) bill and wing of 



Chickadee 65 



58. (a) Bill and wing of Golden-crowned Kinglet, (b) bill of Blue 



Gray Gnatcatcher . . . 55 



59. (a) Bill of Robin, (b) bill and wing of Bluebird . . .55 



60. First primaries of (a) American Herring Gull, (b) Ring-billed 



Gull, (c) Laughing Gull, (d) Franklin's Gull, (e) Bona- 

 parte's Gull 69 



61. First primaries of (a) Caspian Tern, (b) Royal Tern, (c) Com- 



mon Tern, (d) Arctic Tern, (e) Royal Tern . . . .78 



62. Head of Least Sandpiper 1(50 



63. Head of Red-backed Sandpiper 161 



64. Wing of Solitary Sandpiper 166 



65. Head of Semipalmated Plover 174 



6J3. Head of Wilson's Plover . . . . . . . .176 



67. Tail of Sharp-shinned Hawk 198 



68. Tail of Cooper's Hawk 199 



69. Primaries of Red-shouldered Hawk 202 



70. Primaries of Broad-winged Hawk 204 



71. Foot of Golden Eagle 206 



72. Foot of Bald Eagle 207 



73. Tail-feathers of Yellow-billed Cuokoo 225 



74. Tail-feathers of Black-billed Cuckoo 226 



75. Head of Crested Flycatcher 245 



76. Head of Prairie Horned Lark 253 



77. Head of Cowbird . 202 



