LIST OF ILLUSTRATIONS xxvii 
FIGURE PAGE 
36. Bill and toe-nail of Green Heron . . . . .122 
37. Bill of White Ibis 122 
38. Bill of Roseate Spoonbill ....... 122 
39. (a) Bill and foot of Clapper Rail; bills of ( b ) Yellow Rail, 
(c) Sora, (d) Florida Gallinule; (e) bill and foot of Coot . 123 
40. Bill of Sandhill Crane ....... 123 
41. Bill of Limpkin ........ 123 
42. Bills of (a) Do witcher, (6) Knot, (c) Black-bellied Plover, 
(d) Semipalmated Plover . . . . . .124 
43. Feet of (a) Red Phalarope, ( b ) Knot, (c) Do witcher, ( d ) 
Black-bellied Plover, (e) Semipalmated Plover . . 124 
44. Bill of Ruffed Grouse ....... 125 
45. Bill of Wild Pigeon 125 
46. Feet of (a) Barred Owl, ( b ) Red-shouldered Hawk . . 125 
47. Head of Barn Owl ........ 125 
48. Head of Barred Owl ....... 125 
49. Head of Turkey Vulture . . . . . .126 
50. Head of Red-shouldered Hawk ..... 126 
51. Bill and foot of Carolina Paroquet ..... 126 
52. Bill and foot of Belted Kingfisher ..... 126 
53. Bill and foot of Yellow-billed Cuckoo .... 126 
54. (a) Bill and foot of Hairy Woodpecker, ( b ) foot of Arctic 
Three-toed Woodpecker . . . . . .127 
55. Bill and foot of Nighthawk ...... 127 
56. Bill and tail-feather of Chimney Swift .... 127 
57. Bill of Hummingbird ....... 127 
58. Foot of Robin ........ 128 
59. Bill and wing of Phoebe ....... 128 
60. Bill and hind-toe of Horned Lark . . . . .128 
61. (a) Bill and wing of Blue Jay, ( b ) bill of Crow . . . 128 
62. Bill and wing of Starling ...... 129 
63. (a) Bill and wing of Baltimore Oriole; bills of ( b ) Meadow- 
lark, (c) Purple Grackle . . . . . .129 
64. Bills of (a) Cardinal, (6) Pine Grosbeak, (c) Purple Finch, 
(d) Am. Crossbill, (e) Seaside Finch, (/) Goldfinch . .129 
65. Bill of Scarlet Tanager ....... 129 
66. Bill and foot of Cliff Swallow . . . . . .130 
67. Head of Cedar Waxwing . . . . . .130 
68. Bill of Loggerhead Shrike . . . . . .130 
69. Bill of Blue-headed Vireo . . . . . .130 
70. (a) Bill of Tennessee Warbler; (6) bill, wing, and hind-toe 
of Pine Warbler; bills of (c) Redstart, (d) Water-Thrush; 
0) Chat 130 
71. Bill and hind-toe of Amerioan Pipit . . . . .131 
72. (a) Bill of Brown Thrasher, ( b ) bill and wing of Catbird; 
bills of (c) Carolina Wren, (d) House Wren . 
131 
