208 



THE CHICAGO ACADEMY OF SCIENCES. 



Brachyotus palustris, 102. 



Branta, 50. 



Branta bernicla, 51. 



canadensis, 50. 



canadensis minima, 22. 



hutchinsii, 51. 



minima, 51. 

 Bucephala albeola, 44. 



clangula, 43. 



islandica, 44. 

 Bubo, 106. 

 Bubo virginianus, 106. 



virginianus arcticus, 106. 

 Bubonidae, 102. 

 Buteo, 94. 

 Buteo borealis, 94. 



borealis calurus, 95. 



borealis harlani, 95. 



borealis kriderii, 94. 



latissimus, 96. 



lineatus, 95. 



platypterus, 96. 



swainsoni, 96. 

 Butorides, 55. 

 Butorides virescens, 55. 



Calcarius, 133. 



Calcarius lapponicus, 16, 133, 134. 



pictus, 16, 17, 134. 

 Calidris, 71. 



Calidris arenaria, 15, 71. 

 Cardinalis, 145. 

 Cardinalis cardinalis, 145. 



virginianus, 145. 

 Carpodacus, 128. 

 Carpodacus purpureus, 128. 

 Caprimulgidse, 113. 

 Cathartes, 90. 

 Cathartes aura, 90. 

 Cathartidse, 90. 

 Certhia, 186. 



Certhia familiaris americana, 186. 

 Certhiidse, 186. 

 Centurus, 112. 

 Centurus carolinus, 112. 

 Ceophlceus, 111. 



Ceophloeus pileatus abieticola, 111. 

 Ceryle, 109. 

 Ceryle alcyon, 109. 

 Cha3tura, 114. 

 Chaetura pelagica, 114. 

 Charadriidae, 78. 

 Charadrius, 79. 

 Charadrius dominicus, 76, 79. 



fulvus var. virginicus, 79. 



marmoratus, 79. 



pluvialis, 79. 

 Charitonetta, 44. 

 Charitonetta albeola, 44. 

 Chaulelasmus, 37. 

 Chaulelasmus streperus, 37. 

 Chen, 48. 

 Chen caerulescens, 49. 



hyperborea, 48. 



hyperborea nivalis, 49. 

 Chondestes, 138. 

 Chondestes grammacus, 15, 138. 

 Chordeiles, 113. 

 Chordeiles popetue, 113, 114. 



virginianus, 113. 



virginianus henryi, 113, 114. 



Circus, 92. 



Circus cyaneus, 92. 



hudsonius, 92. 

 Cistothorus, 185. 

 Cistothorus stellaris, 185. 

 Clangula, 43. 

 Clangula albeola, 44. 



clangula americana, 43. 



hyemalis, 45. 



islandica, 44. 

 Coccyges, 108. 

 Coccyzus, 108. 

 Coccyzus americanus, 108. 



erythrophthalmus, 108. 

 Colaptes, 112. 



Colaptes auratus luteus, 112. 

 Colinus, 82. 



Colinus virginianus, 82. 

 Columbse, 86. 

 Columbida?, 86. 

 Colymbus, 25. 

 Colymbus auritus, 25. 



nigricollis californicus, 26. 



holbosllii, 25. ' 



septentrionalis, 27. 



toquatus, 27. 

 Compsothlypis, 159. 

 Compsothlypis americana ramalinse, 



159 



Contopus, 117. 

 Contopus virens, 117. 

 Conurus, 108. 

 Conurus carolinensis, 108. 

 Corvidse, 120. 

 Crovus, 120. 

 Corvus americanus, 122. 



brachyrhynchos, 121. 



corax, 120. 



corax var. carnivorus, 121. 



corax principalis, 120. 



corax sinuatus, 121. 



corone, 121. 



pica, 120. 

 Coturniculus, 135. 

 Coturniculus savannarum passerinus, 



15, 135. 



Crucirostra minor, 129. 

 Crymophilus, 62. 

 Crymophilus fulicarius, 62. 

 Cryptoglaux, 104. 

 Cryptoglaux acadica, 105. 



tengmalmi richardsoni, 104. 

 Cuculidap, 108. 

 Cupidonia americana, 84. 

 Cyauocitta, 120. 

 Cyanocitta cristata, 120. 

 Cygnus americanus, 52. 



bewicki, 52. 

 Cyanospiza, 146. 

 Cyanospiza cyanea, 146. 



Dafila, 40. 

 Dafila acuta, 40. 

 Dendroica, 160. 

 Dendroica asstiva, 160. 



blackburnise, 164. 



caerul-ea, 162. 



caarulescens, 16, 161. 



castanea, 163. 



coronata, 161. 



discolor, 169. 



