LIST OF ILLUSTRATIONS 
xxiii 
572. Vigors Wren .... 
. 447 
573. Parkman Wren .... 
. 448 
574. Western Winter Wren 
. 449 
575. Brown Creeper, bill 
. 451 
576. Brown Creeper, tail 
. 451 
577. Californian Creeper 
. 452 
578. Slender-billed Nuthatch, feather 
. 453 
579. White-breasted Nuthatch, feather 
. 453 
580. White-breasted Nuthatch, head . 
. 453 
581. Red-breasted Nuthatch, head 
. 454 
582. Plain Titmouse .... 
. 456 
583. Bridled Titmouse, head 
. 457 
584. Chickadee, head .... 
. 457 
585. Wren-Tit. 
o 
. 460 
586. Bush-Tit ..... 
. 461 
587. Lloyd Bush-Tit .... 
. 462 
588. Kinglet, bill .... 
. 463 
589. Golden-crowned Kinglet, head . 
. 463 
590. Ruby-crowned Kinglet, head 
. 464 
591. Gnatcatcher, tail .... 
. 465 
592. Blue-gray Gnatcatcher, head 
. 465 
593. Plumbeous Gnatcatcher, feather . 
. 465 
594. Black-tailed Gnatcatcher, feather 
. 465 
595. Blue-gray Gnatcatcher 
. 465 
596. Plumbeous Gnatcatcher 
. 466 
597. Townsend Solitaire 
. 467 
598. Wood Thrush .... 
. 469 
599. Robin, bill. 
. 472 
600. Robin. 
. 472 
601. Bluebird. 
. 475 
