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LIST OF ILLUSTRATIONS 



FULL-PAGE PLATES. 



FACING PAGE 



I. RING-BILLED GULL Frontispiece. 



II. ZONE MAP . xxxiv 



III. TOPOGRAPHY OF BIRD 1 



IV. EARED GREBE 7 



V. FORSTER TERN 29 



VI. PELAGIC CORMORANT 42 



VII. SHOVELLER 54 



VIII. BLACK-CROWNED NIGHT HERON 77 



IX. WILSON PHALAROPE 85 



X. BLACK-NECKED STILT 86 



XI. LONG-BILLED CURLEW 101 



XII. SNOWY PLOVER 105 



XIII. SCALED PARTRIDGE 118 



XIV. MEARNS QUAIL 122 



XV. WHITE-TAILED PTARMIGAN 129 



XVI. MARSH HAWK . : 150 



XVII. AUDUBON CARACARA 171 



XVIII. POOR-WILL 224 



XIX. SCISSOR-TAILED FLYCATCHER 246 



XX. ARKANSAS AND CASSIN KINGBIRDS 249 



XXI. ASH-THROATED FLYCATCHER 253 



XXII. MAGPIE 270 



XXIII. LONG-CRESTED JAY 273 



XXIV. WOODHOUSE JAY . 274 



XXV. NORTHERN RAVEN 280 



XXVI. YELLOW-HEADED BLACKBIRD ...... 288 



XXVII. WESTERN LARK SPARROW 336 



XXVIII. TEXAS PYRRHULOXIA 371 



XXIX. LARK BUNTING ... .... 377 



XXX. PlLEOLATED WARBLER 428 



XXXI. ROCK WREN 443 



XXXII. CANYON WREN . . 445 



XXXIII. LONG-BILLED MARSH WREN . .... 450 



