INDEX. 



JEgialitis wilsonius, 26, 72. 

 iEgiothus linaria, 21. 

 Agelaeus phceniceus, 22, 25, 53. 

 Albinism in North American birds, 



20. 

 Alca impennis, 53, 58. 

 Allen, J. A., on nidification of 



Clarke's Crow, 44 ; on the nesting. 



of the Canada Goose in trees, 50 ; 



on Ross's Goose in Oregon, 52 ; on 



decrease of birds in Massachusetts, 



54 ; on geographical variation in 



the number and size of birds' eggs. 



74 ; on the occurrence of the Wood 



Ibis in Pennsylvania and New 



York, 96. 

 Allen, J. D., letter from, respecting 



a specimen of Buteo, 3. 

 Ammodromus caudacutus var. nel- 

 soni, 40. 

 " maritimus, 25. 



Ampelis garrulus, 73. 

 Anas boschas, 23. 

 Anser gambelli, 73. 



" hyperboreus, 54, 59, 73. 



" rossii, 52. 

 Anthus ludovicianus, 73, 92. 

 Ardea candidissima, 27, 73. 



" herodias, 27. 



" rufa, 40. 



" virescens, 27. 

 Astur atricapillus, 73. 

 Auk, Great, 53, 58. 

 Bailey, H. B., on the birds of Cobb's 



Island, Va., 24. 

 Bendire, Charles, on the nidification 



of Clarke's Crow, 44 ; on the 



Canada Goose nesting in trees, 50 ; 



on Anser rossii in Oregon, 52 ; on 



geographical variation in birds' 



eggs, 74. 

 Bernicla branta, 23. 

 Blackbird, Red-winged, 25, 53. 



Brachyotus cassini, 72. 



Branta canadensis, 50. 



" " var. leucopsis, 41. 



Brewer, T. M., on birds of New Eng- 

 land, 89 ; notice of paper by, 72. 



Brewster, Wm., description of a new 

 species of Helminthophaga, 1 ; on 

 the occurrence of certain birds in 

 New England, 17 ; on the Curlew 

 Sandpiper in Mass., 51 ; on singu- 

 lar food of a Least Bittern, 76 ; 

 on geographical variation in Den- 

 droeca palmarum, 82 ; capture of 

 the Orange-crowned Warbler in 

 Mass., 94 ; notices of papers by, 

 71, 72. 



Brown, N. C, on variable abundance 

 of birds at the same localities in 

 different years, 95. 



Bucephala islandica, 41. 



Bunting, Painted Lark, 42. 



Buteo borealis, 22. 



" borealis var. calurus, 40. 



" montana, 33. 



" swainsoni, 42. 



" vulgaris, 2, 32, 36. 



CamptoLjEMUS labradorius, 73. 



Campylorhynchus, tarsal envelope 

 in, 50. 



Catherpes, tarsal envelope in, 50. 



Centurus carolinus, 73. 



Charadius fulvus var. virginicus, 22. 



Chaulelasmus couesii, n. sp. 46. 



Chionis minor, 48. 



Chordeiles popetue var. henryi, 40. 



Cistothorus stellaris, 73. 



Colaptes auratus, 22. 



Colymbus septentrionalis, 23. 



Contopus borealis, 73, 92. 



Cormorant, Florida, 44. 



Corvus americanus, 22, 53, 54, 72, 76. 

 " corax, 53, 54. 

 " ossifragus, 19, 25, 72. 



