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. Calif ornian 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 . 46C 



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. Robiia 472 



601. Bluebird . 475 



