---- tucumanus, i. 110; ii. 223. Cyanotis azaræ, i. 142, 144, 175. Cybernetes yetapa, i. 124. Cyclorhis altirostris, i. 24. ---- ochrocephala, i. 23. ---- viridis, i. 23, 24. Cygnus coscoroba, ii. 120. ---- nigricollis, ii. 124, 126. _Dabchick, American_, ii. 205. Dafila bahamensis, ii. 135. ---- spinicauda, ii. 134. _Dark-backed Tanager_, i. 37. _Dark-crested Finch_, i. 48. _Dark Guan_, ii. 146. ---- _Night-Heron_, ii. 105. _Dark-tailed Henicornis_, i. 173. _Darwin's Rhea_, ii. 219. ---- _Tinamou_, ii. 213. _Deep-billed Greenlet-Shrike_, i. 24. _De Filippi's Marsh-Starling_, i. 105. _Degollado_, i. 106. Dendrobates cactorum, ii. 19. Dendrocolaptes picumnus, i. 199. Dendrocygna fulva, ii. 126, 128. ---- major, ii. 127. ---- viduata, ii. 128. Dicholophus burmeisteri, ii. 162. ---- cristatus, ii. 161. Diplopterus galeritus, ii. 35. ---- nævius, ii. 35. _Dipper, Schulz's_, i. 11. _Diuca Finch_, i. 55. ---- ----, _Lesser_, i. 56. ---- grisea, i. 55. ---- minor, i. 56. ---- vera, i. 55. _Domestic Martin_, i. 25. _Dominican Gull_, ii. 197. ---- _Tyrant_, i. 117. Donacobius atricapillus, i. 13. ---- brasiliensis, i. 13. Donacospiza albifrons, i. 49. _D'Orbigny's Seed-Snipe_, ii. 178. ---- _Spine-tail_, i. 183. ---- _Tanager_, i. 41. _Dormilon_, ii. 12, 183. _Dove, Aymara_, ii. 142. ----, _Black-winged_, ii. 142. ----, _Chocolate_, ii. 144. ----, _Little Turtle-_, ii. 143. ----, _Picui_, ii. 143. ----, _Spotted_, ii. 141. ----, _Talpacoti_, ii. 144. Drymornis bridgesi, i. 199. Dryocopus atriventris, ii. 18. ---- erythrops, ii. 18. ---- lineatus, ii. 18. _Duck, Bahama_, ii. 135. ----, _Black_, ii. 137. ----, _Black-headed_, ii. 130. ----, _Creole_, ii. 129. ----, _Crested_, ii. 128. ----, _Fulvous Tree-_, ii. 126. ----, _Muscovy_, ii. 129. ----, _Red_, ii. 137. ----, _Rosy-billed_, ii. 137. ----, _Rusty Lake_, ii. 138. ----, _White-faced Tree-_, ii. 128. ----, _White-winged Lake-_, ii. 138. ----, _Whistling_, ii. 127. _Duerme-duerme_, ii. 12. _Dusky Thrush_, i. 1. _Dwarf Cuckoo_, ii. 39. _Eagle, Chilian_, ii. 64. ----, _Grey_, ii. 64. _Eared Wren_, i. 15. _Earth-creeper, Patagonian_, i. 170. ----, _Red-tailed_, i. 171. ----, _Warbling_, i. 171. _Egret, Snowy_, ii. 99. ----, _White_, ii. 98. Elainea albiceps, i. 145. ---- grata, i. 146; ii. 223. ---- modesta, i. 145. ---- strepera, i. 145; ii. 223. ---- viridicata, i. 146. Elanus leucurus, ii. 71, 72. _El Campestre_, ii. 24. ---- _Chocolate_, i. 113. ---- _Mitu_, ii. 145. ---- _Yacúhú_, ii. 146. Emberiza hypochondria, i. 60. ---- luctuosa, i. 54. Emberizoides macrurus, i. 63. ---- sphenurus, i. 63. Embernagra macrura, i. 63. ---- olivascens, i. 63. ---- platensis, i. 62, 63; ii. 50. Empidagra suiriri, i. 146.