INDEX. PAGE Aechmorhynchus, 119 Aepyornis, 223 Aepyornithidae, 221 Aestrelata, 157 agilis (Mullerornis), 232 alba (Notornis), 144 alba (Porphyrio), 143 albicilla (Clitonyx), XI albifacies (Sceloglaux), XI albifrons (Miro), XI Alca, 153 Alectroenas, 163 Alopochen, X alphonsi (Astur), 83 altus (Dinornis), 192 Amazona, 57 americana (Meleagris), XII americanus (Siphonorhis), 43 Anas, 103 angustipluma (Chaetoptila), 29 anna (Ciridops), 41 Anomalopteryx, 201 antiquus (Anomalopteryx), 202 antipodum (Palaeocorax), 1 Aphanapteryx, 131 apicalis (Moho), 27 Apterornis, 145 Aptornis, 147 Ara, 51 Ardea, 111 Astur, 83 ater (Dromaeus), 235 Athene, 75 aucklandica (Nesonetta), XI augusta (Amazona), XII australis (Mergus), XI australis (Miro), XI benedeni (Anas), IX betsilei (Mullerornis), 231 bifrons (Metapteryx), X Biziura, 109 bonasia (Aphanapteryx), 131 boothi (Emeus), 210 borbonica (Emberiza), 7 borbonica (Pezophaps), 175 borbonica (Phedina), XI borbonicus (Fregilupus), 3 borbonicus (Necropsittacus), 62 borbonicus (Palaeornis), 67 borbonicus (Trochocercus), XI bouqueti (Amazona), XII Bowdleria, 21 brachyurus (Rhamphocinclus), XI Branta, X brewsteri (Tympanuchus), 181 broeckii (Aphanapteryx), 131 bruante (Foudia), 7 Bubo, 71