xx LIST OF ILLUSTRATIONS 



437. Red-backed Junco ... . 349 



438. Black-throated Sparrow, head . . . . 350 



439. Sag-e Sparrow, head ...... . 352 



440. Cassin Sparrow .......... 353 



441. Rufous-winged Sparrow, head ....... 354 



442. Rufous-crowned Sparrow, head ....... 354 



443. Song 1 Sparrow, head ......... 356 



444. Desert Song Sparrow ......... 357 



445. Mountain Song- Sparrow ..... . 357 



446- Samuels Song Sparrow ...... 358 



447. Rusty Song Sparrow . ....... 358 



448. Lincoln Sparrow . . ... . 359 



449. Fox Sparrow . . .... 361 



450. Townsend Sparrow . . . . . . . . .361 



451. Thick-billed Sparrow, bill . ... 362 



452. Slate-colored Sparrow, bill ........ 363 



453. Stephens Sparrow, bill 363 



454. California Towhee . . .... 363 



455. Towhee, head . ...... 363 



456. Towhee, head . . . 364 



457. Arctic Towhee . . . . . . . 364 



458. Spurred Towhee . . 365 



459. Oregon Towhee .... . . 365 



460. California Towhee, head . 367 



461. Green-tailed Towhee, head . . 368 



462. Cardinal, head . . 369 



463. Rose-breasted Grosbeak . . 372 



464. Black-headed Grosbeak, head . ... 372 



465. Bunting" (Cyanospiza), bill . . ... 374 



466. Dickcissel, head . . ... 377 



467. Scarlet Tanager, head . ... 379 



468. Summer Tanager, bill . . . 379 



469. Scarlet Tanager, bill . . 380 



470. Summer Tanager, bill . . 382 



471. Barn Swallow, tail ... .... 382 



472. Rough-winged Swallow, feather . . 382 

 47:;. Cliff Swallow, head . . .384 



474. Barn Swallow, foot .... 385 



475. Barn Swallow ... ..... 385 



476. White-bellied Swallow . . . 3Sli 



477. Bank Swallow . .... 386 



478. Rough-winged Swallow, feather . ... 387 



479. Bough-winged Swallow, head . .... 387 



480. Cedar Waxwing . . 389 



481. Phaiuopepla .... . . 390 



