INDEX TO PAPEES RELATING TO FOOD OP BIRDS. 



63 



Speotyto cunicularia hypogsea — Continued. 



25, p. 137 ; scorpions, Fauna 5, p. 



97 ; spermophiles, Bui. 4, pp. 15-16. 

 Formal report, Bui. 3, pp. 11, 14, 165, 



189-196 (32 stomachs) ; Kept. 1887, 



p. 422 (10 stomachs). 

 Sphyrapicus ruber — Red-breasted sapsucker. 

 Brief account, Bui. 39, pp. 95-96. 

 Food in California, Bui. 34, pp. 21- 



22, 29 (24 stomachs). 

 Formal report, Bui. 37, pp. 10, 11, 



81-32 (34 stomachs). 

 Other notes, Bui. 34, p. 8. 

 Relation to trees, Bui. 39, pp. 16-21, 



50-53, 54-62, 86, 98-99. 

 Sphyrapicus thyroideus — Williamson's sap- 

 sucker. 

 Brief account, Bui. 39, pp. 95-96. 

 Formal report, Bui. 37, pp. 10, 11, 



82-33 (17 stomachs). 

 Relation to trees, Bui. 39, pp. 9, 16- 



21, 53, 54-62, 66, 98-99. 

 Sphyrapicus varius — Yellow-bellied sap- 

 sucker. 

 Brief account, Bui. 38, p. 47 ; Bui. 39, 



pp. 9.5-96 ; F. Bui. 54, pp. 9, 10 ; F. 



Bui. 54 (rev.), pp. 12-13; Ybk. 



1900, pp. 294-295. 

 Feeding on fruits of cherry, flowering 



dogwood, grape, and sour gum, Rept. 



1890, p. 284; scale insects, Ybk. 



1906, p. 197. 

 Food at Marshall Hall, Bui. 17, pp. 



19, 33, 62, 88-90, 110. 

 Food of nestlings, Ybk. 1900, pp. 427- 



428. 

 Formal report, Bui. 7, pp. 7, 8, 10, 11," 



28-31, 38-39 (81 stomachs) ; Bui. 



37, pp. 10, 11, 27-31, 42, (313 



stomachs). 

 Injurious, Bui. 34, p. 21; Ybk. 1907, 



p. 168. 

 Reference to studies of food habits, 



Ybk. 1899, p. 266. 

 Relation to orchards, Ybk. 1900, pp. 



294-295. 

 Relation to trees, Bui. 38, p. 47; Bui. 



39, pp. 16-21, 21-50, 54-91, 92-95, 



Spinus pinus — Pine siskin. 



Feeding on weed seeds, Fauna 7, p. 



85 ; Ybk. 1898, pp. 222, 229. 

 Spiza americana — Dickcissel. 



Brief account, Bui. 38, p. 69 ; Ybk. 



1900, p. 420. 

 Feeding on boll weevil, Bui. 22, p. 



16; Bui. 25, pp. 9, 12, 18, 21; Bui. 



29, pp. 6, 19, 30; Circ. 64, p. 5; 



weed seeds, Ybk. 1898, pp. 226, 227, 



228, 229. 

 Food of nestlings, Ybk. 1900, p. 420. 

 Formal report, Bui. 15, pp. 23, 24, 



28, 45, 89-92 (152 stomachs). 



Spizelia monticcla — Tree sparrow. 



Beneficial, Ybk. 1897, p. 670. 



Brief account, F. Bui. 54, p. 28; F. 

 Bui. 54 (rev.), p. 32. 



Feeding on seeds, Bui. 9, pp. 17, 20 ; 

 of grapes, Fauna 3, p. 96 ; of weeds, 

 Fauna 3, p. 96 ; Ybk. 1898, pp. 222, 



225, 226, 227; Ybk. 1907, p. 172. 

 Food at Marshall Hall, Bui. 17, pp. 16, 



71, 74-75 (9 stomachs). 

 Formal report, Bui. 15, pp. 18, 25, 27, 

 37, 38, 39, 42, 75-76 (517 stom- 

 achs) . 



Spizelia passerina — Chipping sparrow. 



Beneficial, Bui. 38, p. 9 ; Ybk. 1897, p. 



670. 

 Brief account, Bui. 38, p. 65 ; F. Bui. 



54, pp. 26-27; «E\ Bui. 54 (rev.), 



pp. 31-32. 

 Feeding on cankerworms, Bui. 1, p. 



263 ; mulberries, Rept. 1890, p. 285 ; 



scale insects, Ybk. 1906, p. 194; 



weed seeds, Ybk. 1898, pp. 222, 223, 



224, 225, 226, 227, 228. 

 Food at Marshall Hall, Bui. 17, pp. 



15-16, 22, 25, 26, 27, 28, 30, 32, 33, 



34, 35, 36, 38, 39, 40. 43, 70, 71, 



72-73, 97, 110 (61 stomachs). 

 Food in California, Bui. 34, pp. 80-82, 



84 (96 stomachs). 

 Food of nestlings, Ybk. 1900, pp. 419- 



420. 

 Formal report, Bui. 15, pp. 15, 17, 18, 



21, 23, 24, 26, 27, 28, 30, 32, 33, 



76-78 (250 stomachs). 

 Other notes, Bui. 1, p. 93; Fauna 7, 



p. 119. 

 Reference to studies of food habits, 



Ybk. 1899, p. 264. 



Spizelia pusilla — Field sparrow. 



Brief account, F. Bui. 54, pp. 26-27, 

 28; F. Bui. 54 (rev.), pp. 31-32. 



Feeding on boll weevil, Bui. 29, pp. 6, 

 20, 28, 30; Circ. 64, pp. 3, 5; weed 

 seeds, Ybk. 1898, pp. 222, 223, 225, 



226, 228. 



Food at Marshall Hall, Bui. 17, pp. 

 15-16, 24, 26, 27, 30, 32, 34, 35, 

 40, 41, 60, 70, 71, 72, 73, 74, 97 

 (31 stomachs). 

 Formal report, Bui. 15, pp. 15, 18, 21, 

 23, 24, 25, 26, 27, 28, 30, 33, 37, 

 39, 42, 78-80 (175 stomachs). 

 Spizelia socialis, see Spizelia passerina. 

 Squatarola squatarola — Black-bellied plover. 

 Feeding on crowberries (Empetrum), 

 Fauna 27, p. 332 ; grasshoppers, 

 Circ. 79, p. 2. 

 Starling, see Sturnus vulgaris. 

 Steganopus tricolor — Wilson's phalarope. 

 Feeding on billbugs, Circ. 79, p. 6 ; 

 crane flies, Circ. 79, p. 4 ; Dytiscidse, 

 Circ. 79, p. 8 ; mosquitoes. Circ. 79, 

 p. 2. 



