68 



INDEX TO PAPEES EELATING TO FOOD OP BIEDS. 



Woodpecker, Three-toed, see Picoides ameri- 

 canus. 

 White-headed, see Xenopicus 



albolarvatus. 

 Yellow-bellied, see Sphyrapicus 

 varius. 

 Wren, Bewick's, see Thryomanes bewicki. 



Cactus, see Heleodytes brunneicapil- 



lus couesi. 

 Carolina, see Thryothorus ludovicia- 



nus. 

 Dotted caflon, see Catherpes mexica- 



nus punctulatus. 

 House, see Troglodytes aedon. 

 Long-billed marsh, see Telmatodytes 



palustris. 

 Rock, see Salpinctes obsoletus. 

 Winter, see Nannus hiemalis. 

 Wren tit, see Chamsea fasciata. 



X. 



Xanthocephal us xanthocephalus— Yellow- 

 headed blackbird. 



Brief account, Ybk. 1897, pp. 345, 351, 

 353. 



Damage to corn, Ybk. 1894, p. 237 ; 

 grain, Rept. 1887, pp. 428. 429, 430, 

 454, 455, 456; Ybk. 1897, pp. 846, 

 351, 353; Ybk. 1898, p. 230. 



Feeding on weed seeds, Ybk. 1898, p. 

 230. 



Formal report, Bui. 13, pp. 9, 11, 30- 

 88 (138 stomachs). 



Other notes, Rept. 1887, pp. *28, 429, 

 430. 

 Xenopicus albolarvatus — White-headed 

 woodpecker. 



Brief account, Bol. -T. p. 88. 



Y. 



Yellow-hammer [ot Burope], see Em- 



beriza citrinella. 

 Yellow-legs, see Totanus fluvipes. 

 Yellowtbxoat, tee. Geotalypli trlcbaa. 



v.. 



Zamelodta ludovii i.ma— Rose-breasted grc 



benk. 

 Beneficial, Yi.k. is;>7. p. 670. 

 Brief account, F. Bol. 64, pp. 28-80; 



r BuL r.4 (rev.), pp. 84-86; I". 



Bui. 466, pp. 7-9. 12, 13. 

 Feeding on potato beetle. Bui. 17, p. 



LT. : Bui. 34. p. '.'.•. ; Kept. 1888. pp. 



:,:;r>-536; Rept. 1889. p. 309; Rept. 



1906, pp. 306. 314; Rept. 1908, p. 



416 : Ybk. I.80T, pp. 17.". IT.". : scale 



Insects, Ybk. 1906, pp. 192. 195; 



weed seeds, Ybk. is'.'*, p. 280. 

 Pood of neatHnge, Yi.k. 1900, p. 4is. 



Formal report. Bui. .".L". pp. 38-59, 71. 

 91 (17C stomachs). 



Zamelodia ludoviciana — Continued. 



Other notes, Bui. 1, p. 323 ; Fauna 27, 



p. 449. 

 Reference to studies of food habits, 

 Ybk. 1899, p. 266. 

 Zamelodia melanocephala — Black - headed 

 grosbeak. 

 Brief account, F. Bui. 54 (rev.), pp. 

 35-36 (70 stomachs) ; F. Bui. 456, 

 pp. 9-10, 12, 13. 

 Feeding on black olive scale, Rept. 

 1905, p. 306 ; cherries, Bui. 34, p. 

 55 ; codling moth, Rept. 1904, p. 

 293; scale insects, Ybk. 1906, pp. 

 192, 194. 

 Food in California, Bui. 34, pp. 93- 



96 (225 stomachs). 

 Formal report, Bui. 32, pp. 60-77, 



91 (226 stomachs). 

 Relation to fruit in California, Bui. 

 30, p. 13; Ybk. 1904, pp. 246, 248, 

 251. 

 Zenaidura macroura carolinensis — Mourn- 

 ing dove. 

 Brief account, Bui. 38, p. 36; F. Bui. 

 54 (rev.), pp. 6-7 (237 stomachs) ; 

 Ybk. 1900, p. 431. 

 Damage to grain, Ybk. 1897, p. 352 ; 



Ybk. 1898. pp. 231-232. 

 Feeding on seeds of bunch grass 

 (Oryzopais cuspidata). Fauna 7. p. 

 32; Hungarian grass (Betaria 

 Uattca), Kept- 1887, p. 429: weeds, 

 Bui. 12, pp. lfl-17: Bui. 12 (rev.), 

 p. 24; Bui. 16, pp. 38-39: Ybk. 

 1898, pp. 222. 231-232. 

 Food at Marshall Ball, Bui. 17, pp. 

 13. 43. 00. 70. 71. 77-78, 85. 111. 

 Food of nestlings, Ybk. 1900, p. 431. 

 Killed by eating poisoned grain. Bui. 

 23. p. IS; Circ. 76, p. 13; Ybk. 

 1908. p. 808. 

 Other notes. Bui. 16, p. 74; Ybk. 

 1904, p. r-14 : Ybk. 1007, p. 170. 

 Zonotrlchia alblcollis — White- throated spar- 

 row. 

 Brief account. Bui. 38. p. 64. 

 Feeding on boll weevil, Bui. 22, pp. 

 11, 16; Bui. 25. pp. 9, 12. 21 ; Bui. 

 29, pp. 6, 19-20, 30; Clrc. 64. pp. 

 .:. 5 : waste oats. Fauna 33. p. 83 ; 

 weed seeds, p. Bui. 54. p. 28 ; F. Bui. 

 54 1 rev. 1. p. 32; Ybk. 1898, pp. 

 222 224 226 228, -'27 

 Food at Marshall Hall, Bui. 17, pp. 10. 

 22. 80, 33, 34, 35. 88, 57. 71. 73. 

 75. 77 117 stomachs). 

 Formal report. Bui. 15. pp. 15, 18, 26. 

 27, 28, 37. 39. 41. 42, 43. 45. 46, 

 72-75, 83, 90. (217 stomachs). 

 Zonotrlchia coronata — Oolden-crowned spar- 

 row. 

 Feeding on weed seeda, Bui. 16, p. 



27: Ybk. 1898, pp. 222. 225. 226. 

 Food in California. Bui. 34, pp. 78-79, 

 84 (184 stomachs). 



