INDEX TO BIRDS OF NEW YORK 



677 



Beal, F. E. L., cited, 2 :222. 



Beard, cited, 2:110. 



Beebe, cited, 1 1345 . 



Beetle-head, i :346. 



Bendire, cited, 2:141, 147, 234. 



Bergtold, W. H., cited, 1:78, 114, 356; 2: 

 no. 



Berier, cited, 1:1 11, 309, 335; 2:66, 68, 97, 

 513- 



Berlepsch, Baron von, cited, 2 :56. 



bernicla, Anser, i :233. 

 Branta, i :233. 



bernicla glaucogastra, Branta, i :233-34. 



bewicki, Troglodytes, 2:481. 



bewicki bewicki, Thryomanes, 2:481. 



Bicknell, Eugene Pintard, cited, 1:77; 2 : 

 no, 185, 195, 218, 267, 330, 333, 381. 



bicolor, Baeolophus, 2:502. 

 Hirundo, 2 :349. 

 Iridoprocne, 2:349. 

 Parus, 2:502. 



Bildersee, cited, 2:389. 



Biotic factors, 2 .g. 



Bird box community, 2 :23. 

 laws, status, 2:51-52. 

 refuges, 2:58-59. 



Birds, black list, 2:51; communities, 2:19- 

 23 ; culture operations, influence of, 2 :32- 

 38 ; dangers threatening bird life, i :5i-58 ; 

 economic value, 2 :46-5i ; ecology, 2 :5-6o ; 

 enemies, 2:12; food, 2:38-41, 46-50; 

 fundamental factors of environment, 2 :6- 

 13; habitats, 2:13-15; injury done by, 

 2 :4i-46 ; migration, i :65-72 ; nesting sites, 

 2 :i5-i8 ; of central lake ravines, 2 :29-32 ; 

 of Potter Swamp, 2:25-27; of typical 

 deciduous forest, 2 :27-29 ; planting to at- 

 tract, 2 :57 ; special measures for increas- 

 ing bird life, 2 :52-58 ; species added since 

 De Kay's publication, i :6 ; number of 

 species in New York, i :ii ; increase and 

 decrease of species, i :50-58 ; succession 



of bird life, 2 :23-25 ; suggestions to stu- 

 dents, 1 :57-64 ; water supply, 2 :58. 

 Birds of prey, 2:61-128. 

 Bishop, cited, 2:97, 206, 521. 

 Bittern, 1:51, 53, 54, 55, 57, 62, 65, 245-46, 

 285 ; 2 :9, 24, 27, 39,45. 



American, i :i3, 36, 43, 64, 246-50; 2:15, 

 20, 24, 26 ; figures, 1 :247, 249. 



Cory least, i :253 ; 2 :542. 



least, 1:13, 36, 64, 250-53; 2:16, 19, 24, 

 26; figure, 1 :25i. 

 Black list of birds, 2:51. 

 Blackbird, 1:54, 68, 70; 2:14, 38, 40, 41, 

 42, 46, 49, 221. 



crow, 1 :5i, 53, 72; 2:52, 221, 247. 



red-winged, i :i3, 39, 46, 51, 53, 54, 57, 

 62, 63, 64, 67, 68, 72; 2:16, 19, 24, 26, 

 42, 47, 49, 221, 230; figure of nest and 

 eggs, 2:231. 



rusty, I :i4, 39; 2:16, 20, 243. 



thrush, 2:244. 



yellow-headed, 1:18; 2:229. 

 blackburniae, Sylvicola, 2:420. 

 Blackhead, i :2o6. 

 Blackheart, i :3i6. 

 Blaine, cited, i :94. 

 Blake, Maurice, cited, 2:99. 

 Blue jay, 2:17, 21, 22, 26, 27, 44, 52, 207, 



208; figure of nest and eggs, 2:209. 

 Blue peter, i :288. 

 Bluebill, 1 :209. 



big, 1 :2o6. 



little, 1 :207. 



marsh, i :2o8. 

 Bluebird, i :i2, 34, 42, 49, 51, 57, 60, 63, 



64, 65, 67, 68, 70, 72; 2:7, 12, 14, 18, 



22, 23, 27, 36, 46, 53, 537 ; figures, 2 :538, 



540. 

 Bluestocking, i :294. 

 Boatswains, 1:113, i^^. 

 Bobolink, i :i3, 35, 38, 46, 51, 63, 64, 67, 



68; 2:15, 20, 26, 31, 37, 38, 47, 49, 222. 



