XX LIST OF ILLUSTKATIONS 



437. Red-backed Juneo 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- 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. Calif ornia 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 



473. Cliff Swallow, head . .384 



474. Barn Swallow, foot 385 



475. Barn Swallow 385 



476. White-bellied Swallow 386 



477. Bank Swallow 386 



478. Rough- winged Swallow, feather 387 



479. Rough- winged Swallow, head 387 



480. Cedar Waxwing 389 



481. Phainopepla .......... 390 



