LIST OF ILLUSTRATIONS xxi 



482. Shrike, bill 391 



483o Northern Shrike 392 



484. White-rumped Shrike 392 



485. Black-capped Vireo, head 394 



486. Cassin Vireo, head 394 



487. Red-eyed Vireo, head 394 



488. Warbling Vireo, head . 394 



489. Red-eyed Vireo, head 395 



490. Warbling Vireo, head 395 



491. Cassin Vireo, head 396 



492. Black-capped Vireo, head 397 



493. Redstart, bill 401 



494. Red-faced Warbler, bill 401 



495. Black and White Warbler, head . . . . . . .401 



496. Black and White Warbler, foot 401 



497. Warbler (Helminthophila), foot 401 



498. Chat, head 401 



499. Northern Parula Warbler, head . 401 



500. Warbler (Dendroica), bill 401 



501. Black and White Warbler, head .402 



502. Calaveras Warbler, head 402 



503. Calaveras Warbler, head .404 



504. Northern Parula Warbler, head 406 



505. Warbler (Dendroica), foot 407 



506. Blackburnian Warbler, head 407 



507. Yellow Warbler, head . .407 



508. Magnolia Warbler, head 408 



509. Olive Warbler 408 



510. Black-throated Blue Warbler, head 408 



511. Black-throated Gray Warbler, head 408 



512. Hermit Warbler, head 408 



513. Black-throated Green Warbler, head 408 



514. Golden-cheeked Warbler, head 408 



515. Townsend Warbler, head 408 



516. Black-poll Warbler, head 409 



517. Yellow-rumped Warbler, head 409 



518. Chestnut-sided Warbler, head 409 



519. Olive Warbler 410 



520. Yellow Warbler, head 411 



521. Black-throated Blue Warbler, head 412 



522. Yellow-rumped Warbler, head 412 



523. Audubon Warbler 413 



524. Magnolia Warbler, head 415 



525. Chestnut-sided Warbler, head . . . - . . . .416 



526. Black-poll Warbler, head 417 



