292 



Trans. Acad. Sci. of St. Louis. 



INDEX TO GENERA. 



Acanthis 169 



Accipiter 91-93 



Actitis 74 



Actiturus 73 



Actodromas 67-69 



Aechmorphorus 21 



Aegialites 76 



Aegialitis 76, 77 



Aegiothus 169 



Agave 



Agelaeus 155 



Agelaius 154-156 



Aimophila 189 



Aix 37 



Alauda 142, 156, 243 



Alcedo 118 



Ammod ramus 176-179, 191 



Ampelis 205, 265 



Anas 31-45, 47, 48 



Anhinga 27 



Anorthura 250 



Anser 44-46 



Antrostomus 128, 129 



Anthus 243 



Aquila 100 



Archibuteo 99 



Ardea 51-56 



Ardetta 52 



Arenaria 78 



Arquatella 67 



Asio 105, 106 



Astragalinus 169 



Astur 91-93. 97, 98 



Aythya 37-39 



Bacteria xxix 

 Baeolophus 255 

 Bartiamia 73 

 Bernicla 45, 46 

 Bombycilla 205 

 Bonasa 79 

 Botaurus 51 

 Brachyotus 106 



Branta 45-47 

 Bubo 110, 112 

 Bucephala 39, 40 

 Buteo 94-99 

 Butorides 55 



Calamospiza 198 

 Calcarius 173, 174 

 Calidris 70 

 Campcphilus 119 

 Caprimulgus 128-130 

 Carbo 28 

 Cardinalis 194 

 Carduelis 169-171 

 Carpodacus 167 

 Catharista 87 

 Catliartes 86, 87 

 Centronyx 176 

 Centrophanes 173, 174 

 Centurus 126 

 Ceophlceus 123 

 Certhia 212, 216, 247, 252 

 Ceryle 118 

 Chaetura 132 

 Charadrius 64, 76, 77 

 Charitonetta 40 

 Chaulelasmus 32 

 Chelidon 202 

 Chen 44, 45 

 Chondestes 180 

 Chordciles 130, 131 

 Chroicocephalus 25 

 Chrysomitris 169, 170 

 Circus 90, 97 

 Cistothorus 251 

 Clangula 39-41 

 Clivicola 203 

 Coccoborus 166, 195. 196 

 Coccothraustes 166, 195 

 Coccygus 116, 117 

 Coccyzus 116, 117 

 Colaptes 126, 127 

 Colinus 78 



