LIST OF ILLUSTRATIONS xix 



392. Song Sparrow, head 306 



393. Western Evening- Grosbeak 307 



394. Pine Grosbeak .......... 308 



395. California Purple Finch, tail ....... 310 



396. Purple Finch 311 



397. Cassin Purple Finch, head ........ 312 



398. House Finch, male 312 



399. House Finch, female ......... 312 



400. Crossbill, bill ... . .... 313 



401. White-winged Crossbill 315 



402. Gray-crowned Leucosticte, head ....... 315 



403. Hoary Redpoll 318 



404. Redpoll, head 319 



405. Goldfinch ... 321 



406. Arkansas Goldfinch . . .... 322 



407. Mexican Goldfinch ... ..... 323 



408. Lawrence Goldfinch . ....... 323 



409. Pine Finch ... 323 



410. English Sparrow, male . . 324 



411. English Sparrow, female . ..... 324 



412. Suowflake . .325 



413. Lapland Longspur, summer male 326 



414. Lapland Longspur, winter male ....... 326 



415. Smith Longspur, summer male ....... 327 



416. Chestnut-collared Longspur, summer male . . 328 



417. Chestnut-collared Longspur, winter male ... . 328 



418. McCown Longspur ..... ... 328 



419. Western Vesper Sparrow, tail . . 329 



420. Sandwich Sparrow . . .... 331 



421. Large-billed Sparrow ... . 333 



422. Baird Sparrow ... . ... 333 



423. Western Grasshopper Sparrow . . ... 334 



424. Sharp-tailed Sparrow, tail . . . 335 



425. Harris Sparrow ... ...... 337 



426. White-crowned Sparrow ... .... 338 



427. Gambel Sparrow, head . . . . 339 



428. Golden-crowned Sparrow . ... 340 



429. White-throated Sparrow, head . . 340 



430. Western Tree Sparrow ... . 341 



431. Western Chipping Sparrow, head . . . 342 



432. Brewer Sparrow, head 



433. Worthen Sparrow, head ... . 344 



434. Black-chiuned Sparrow . . 345 



435. Slate-colored Junco ..... . 346 



436. Thurber Junco ........ . 348 



