PAGE 



41. Whistling Swan, side of tarsus and foot (21284) 259 



42. Eoseate Spoonbill, side of bill (23325) 265 



43. Eoseate Spoonbill, top of bill (23325) 265 



44. White-faced Glossy Ibis, side of bill (6188) 271 



45. Little Brown Crane, side of bill and head (1125) ; X V2 275 



46. Sandhill Crane, side of bill and head (X2067 J. & J. W. M.); X V2 280 



47. California Clapper Eail, side of foot and tarsus (6995) 284 



48. California Clapper Eail, side of bill (6995) 285 



49. Light-footed Eail, side of bill (3497) 285 



50. Virginia Eail, side of bill (4071) 293 



51. Sora Eail, side of bill (5486) 298 



52. Yellow Eail, side of bill (17250) 303 



53. California Black Eail, side of bill (16701) 306 



54. Mud-hen, head showing "shield" (22149) 315 



55. Mud-hen, top of foot showing lobes on toes (22148) 316 



56. Eed Phalarope, tarsus and foot showing webbing and lobes (4804) 322 



57. Eed Phalarope, side of bill (4804) 322 



58. Northern Phalarope, side of bill (18932) 329 



59. Wilson Phalarope, side of bill (14018) 334 



60. Avoeet, side of bill (22169) 340 



61. Avoeet, top of foot showing webs between bases of toes (22169) 341 



62. Black-necked Stilt, side of bill (22183) 346 



63. Black-necked Stilt, top of foot showing practical absence of webs (22183) 347 



64. Wilson Snipe, side of bill of female, with sense pits near tip (1068) 352 



65. Long-billed Dowitcher, side of bill of female (22232) 361 



66. Knot, side of bill (24578) 365 



67. Least Sandpiper, side of bill (3482) 378 



68. Western Sandpiper, side of bill (165) 378 



69. Least Sandpiper, top of foot showing absence of webbing (3482) 379 



70. Western Sandpiper, top of foot showing webs between bases of toes (165) 379 



71. Eed-backed Sandpiper, side of bill (9835) 384 



72. Western Willet, outer surface of spread wing showing color patches 



(24783) 417 



73. Long-billed Curlew, side of bill of female (24867) 440 



74. Hudsonian Curlew, side of bill of female (3997 J. G.) 447 



75. Black-bellied Plover, side of bill (22342) 454 



76. Black -bellied Plover, side of tarsus and foot, showing presence of small 



hind toe (22342) 455 



77. Killdeer, side of tarsus and foot, as typical of Plovers (18983) 465 



78. Surf-bird, side of bill (9875) 488 



79. Black Turnstone, side of bill (107) 495 



80. Black Oyster-catcher, side of bill (19016) 499 



81. Mountain Quail, head 506 



82. Valley Quail, head of male 516 



83. Valley Quail, side of tarsus and foot (11955) 517 



84. Curve showing by half -month periods the time when Valley Quail begin 



to lay their eggs 529 



85. Sierra Grouse, side of tarsus and foot, showing feathering (14076) 546 



86. Band-tailed Pigeon, head (15619) 577 



87. Map showing distribution of the Band-tailed Pigeon in California 578 



88. Band-tailed Pigeon, lower surface of tail (238 H.S.S.) 589 



[ix] 



