INDEX. 



PAU 



^udubon 231,241 



Birds, as to nesting, classified 143 



songs of various . . . . 17,. 18, 52, 53, 67 



distribution of, in a locality . . . . 29 



geographically .... 50 



instinct of cleanliness in . . . . 116 



propagation in 119 



relations of the sexes of 118 



Blackbird, Crow 157 



Bluebird 12, 13, 211-224 



Bobolink 163 



Bunting, Black- throated 164 



Cow ' 18, 70 



Buzzard, Turkey 152 



Cat-bird 36 



Cedar-bird 100, 111, 160 



Chat, Yellow-breasted 172 



Chickadee 122 



Creeper, Black and White 80 



Crow 152 



Cuckoo, Black-billed 23, 24 



Yellow-billed 23 



Dakota Skylark 243, 244 



