292 



Trans. Acad. Sci. of St. Louis. 



INDEX TO GENERA. 



Acanthis 169 



Accipiter 91-93 



Actitis 74 



Actiturus 73 



Actodromas 67-69 



Aechmorphoms 21 



Aegialites 76 



Aegialitis 76, 77 



Aegiothus 169 



Agave 



Agelaeus 155 



Agelaius 154-156 



Aimophila 189 



Aix37 



Alaurla 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 



Arcliibiiteo 99 



Ardea 51-56 



Ardetta 52 



Arenaria 78 



Arqiiatella 67 



Asio 105, 106 



Astragalinus 169 



Astur 91-93, 97, 98 



Aythya 37-39 



Bacteria xxix 

 Baeolophus 255 

 Bartramia 73 

 Bemicla 45, 46 

 Bombycilla 205 

 Bonasa 79 

 Botaiirus 51 

 Brachyotus 106 



Branta 45-47 

 Bubo 110, 112 

 Bucephala 39, 40 

 Buteo 94-99 

 Butorides 55 



Calamospiza 198 

 Calcarius 173, 174 

 CaUdris 70 

 Campephilus 119 

 Caprimulgus 128-130 

 Carbo 28 

 Cardinalis 194 

 Carduelis 169-171 

 Carpodacus 167 

 Catharista 87 

 Cathartes 86, 87 ' 

 Centronj^ 176 

 Centrophanes 173, 174 

 Centurus 126 

 Ceophloeus 123 

 Certhia 212, 216, 247, 252 

 Ceryle 118 

 Chaetura 132 

 Charadrius 64, 76, 77 

 Charitonetta 40 



ChauIelasmiLS 32 



Chelidon 202 



Chen 44, 45 , 



Chondestes 180 



Chordeiles 130, 131 



Chroicocephalus 25 



Chrysomitris 169, 170 



Circus 90, 97 



Cistothorus 251 



Clangula 39-41 



Cli\-icola 203 



Coccoborus 166, 195, 196 



Coccothraustes 166, 195 



Coccygus 116, 117 



Coccyzus 116, 117 



Colaptes 126, 127 



Colinus 78 



