INDEX GENERUM. 
Actiornis 36 
Aegialornis 94 
Aepy ornis 6 — 8, 98 
Agnopterus 23 
Alabamornis 43 
(Alactaga 55) 
Alauda 92, 93 
Alea 56, 98 
Alcedo 89 
Aletornis 51, 53, 63, 64. 68 
Ameghinia 62 
Amphipelargus 26 
Amphiserpentarius 2.8 
Anas 13, 16, 98, 99 
Anissolornis 85 
Anomalopteryx 72 — 75. 77 
Anomalornis 73 
Anser 12, 13 
Anthropornis 47 
An thus 93 
Apatornis 49, 50 
Aphanapteryx 66, 67 
Apterodytes 45 
Apterornis 66. 67 
Aptornis 70 
Apus 93 
Aquila 32, 33, 96 
Archaeocycnus 11 
Archaeotrogon 94, 95 
Arehaeopteryx 1 — 2. 99 
Ardea 26, 27 
Ardeacites 27 
Argala 25 
Argillornis 36 
Argyrodvptes 45 
Arthrodytes 47 
Asio 96 
Asthenopterus 34 
Astur 31 
Asturaetus 31 
Athene 97 
(Auchenia 4) 
Aythia 17 
Badiostes 97 
B aptornis 18 
Barornis 4 
Baza 35 
Bellona. 3 
Bereoynthia 3 
Berniela 13, 15 
Biziura 17 
Botaurites 28 
Botauroides 28 
Branta 13 
Brontornis 62 
Bucklandium 55, 56 
Bubo 96 
Butorides 28 
Callornis 62 
Camaskelus 50, 51 
Camelornis 3 
Carbo 37 
Carine 97 
Casuarius 5 
Catarhactes 57 
Catarractes 57 
Catharista 29 
Cath artes 29 
Cathartornis 29 
Cela 73, 74, 75 
Centropus 89 
Centrornis 12 
Charadrius 50. 99 
Chenalopex 11 
Chenopis 10, 11 
Chenornis 13 
Chosornis 78 
Ciconia 26 
Cimolopteryx 50 
Circus 31 
Cladornis 47 
Cnemiornis 11, 12 
Colinus 79 
Collocalia 94 
Columba. 87, 88 
Colymbus 20 
Colymboides 20 
(Colonosaurus 48. 49) 
Coniornis 19 
Commis 88 
Corvus 54, 89. 90 
Crecoides 67 
Cruschedula 48 
Cryptornis 89 
Cybele 3 
Cygnus 10. 11 
Cypbornis 41 
Cypselavus 94 
Cypselus 93 
