292 



Trans. Acad. Sci. of St. Louis. 



INDEX TO GENERA. 



Acanthis 169 



Accipiter 91-93 



Actitis 74 



Actitunis 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 



Ammodramus 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 

 Bartramia 73 

 Berniela 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 

 Campephilus 119 

 Caprimulgus 128-130 

 Carbo 28 

 Cardinalis 194 

 Carduelis 169-171 

 Carpodacus 167 

 Catharista 87 

 Cathartes 86, 87 

 Centronyx 176 

 Centroplianes 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 



Chordeiles 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 



