Agriornis leucurus, i. 112. ---- maritima, i. 112. ---- striata, i. 111. _Aiaiai_, ii. 106. Ajaja rosea, ii. 114, 115, 116. _Alas-amarillas_, ii. 163. Alectrurus psalurus, i. 123. ---- risorius, i. 123. ---- tricolor, i. 122. _Allied Saltator_, i. 41. ---- _Woodpecker_, ii. 20. _Alma do gato_, ii. 37. _Alonzito_, i. 167. _Alonzo Garsia_, i. 167. Aluco flammeus, ii. 48. _Amazon, Blue-fronted_, ii. 47. ----, _Vinaceous_, ii. 46. _Amazonian Kingfisher_, ii. 27. Amblycercus solitarius, i. 72. Amblypterus anomalus, ii. 16. Amblyrhamphus holosericeus, i. 101. ---- ruber, i. 101. _American Dabchick_, ii. 205. ---- _Golden Plover_, ii. 170. ---- _Oyster-catcher_, ii. 176. ---- _Waterhen_, ii. 156. Anabates gutturalis, i. 197. ---- unirufus, i. 195. _Anabazenops, Oily-green_, i. 198. ---- oleagineus, i. 198. ---- rufo-superciliatus, i. 198. Anæretes flavirostris, i. 142. ---- parulus, i. 141. Anas bahamensis, ii. 135. ---- brasiliensis, ii. 133. ---- chiloënsis, ii. 135. ---- cyanoptera, ii. 130. ---- flavirostris, ii. 131. ---- maculirostris, ii. 131. ---- melanocephala, ii. 130. ---- oxyura, ii. 134. ---- peposaca, ii. 137. ---- platalea, ii. 136. ---- spinicauda, ii. 134. _Andean Flamingo_, ii. 119. ---- _Goose_, ii. 122. _Angela Humming-bird_, ii. 5. _Angelito de las Animas_, i. 118. _Ani, Black_, ii. 31. _Antarctic Rail_, ii. 148. Antenor unicinctus, ii. 63. Anthus correndera, i. 17, 19, 54, 80. ---- furcatus, i. 19. ---- pratensis, i. 17. ---- rufus, i. 17. Antrostomus longirostris, ii. 14. ---- parvulus, ii. 14. _Anumbé roxo_, i. 195. _Añumbi_, i. 189, 190, 191. Anumbius acuticaudatus, i. 31, 67, 88, 96, 133, 187, 189. ---- striaticollis, i. 194. Aphobus chopi, i. 108. Aptenodytes demersa, ii. 206. Aramides gigas, ii. 150. ---- nigricans, ii. 150. ---- rhytirhynchus, ii. 149. ---- ypecaha, ii. 150. Aramus scolopaceus, ii. 159. Ardea cærulea, ii. 99. ---- candidissima, ii. 98, 99. ---- cocoi, ii. 93, 94. ---- egretta, ii. 98, 99, 105. ---- gardeni, ii. 105. ---- leuce, ii. 98. ---- marmorata, ii. 104. ---- nivea, ii. 99. ---- sibilatrix, ii. 100. Ardetta involucris, ii. 93, 101, 227. _Argentine Blackbird_, i. 4. ---- _Cow-bird_, i. 72. ---- _Flamingo_, ii. 117. Arremon orbignii, i. 41. Arundinicola flaviventris, i. 137. ---- leucocephala, i. 122. _Ashy Tyrant_, i. 121. _Ashy-black Tyrant_, i. 126. _Ashy-headed Goose_, ii. 124. Asio accipitrinus, ii. 49. ---- brachyotus, ii. 49. Asturina pucherani, ii. 58. ---- rutilans, ii. 63. ---- unicincta, ii. 63. Athene cunicularia, ii. 52. Atticora cyanoleuca, i. 33, 166. ---- fucata, i. 35. Aulanax latirostris, i. 121. _Avestruz petizo_, ii. 219. _Aymara Dove_, ii. 142. ---- _Parrakeet_, ii. 46.