Picolaptes angustirostris, i. 201. _Picui Dove_, ii. 143. Picus cactorum, ii. 19, 20. ---- mixtus, ii. 19. _Pigeon, Picazuro_, ii. 139. ----, _Solitary_, ii. 144. ----, _Spot-winged_, ii. 140. _Pintail, Bahama_, ii. 135. ----, _Brown_, ii. 134. Pionus maximiliani, ii. 47. Pipile cumanensis, ii. 146. _Pipit, Cachila_, i. 17. ----, _Forked-tail_, i. 19, Pipridea melanonota, i. 37. _Piririgua_, ii. 32. Pitangus bellicosus, i. 82, 147, 154. ---- bolivianus, i. 147. _Pitiayume_, i. 20. _Pitiayumi Wood-singer_, i. 20. _Piuquen_, ii. 123. _Plain-coloured Finch_, i. 57. _Plant-cutter, Red-breasted_, i. 164. Platalea ajaja, ii. 114, 115, 117. _Platan Marsh-Wren_, i. 15. Platyrhynchus mystaceus, i. 136. Plegadis falcinellus, ii. 109. ---- guarauna, ii. 109. _Plover, American Golden_, ii. 170. ----, _Azara's Sand-_, ii. 173. ----, _Cinereous_, ii. 173. ----, _Patagonian Sand-_, ii. 172. ----, _Slender-billed_, ii. 174, 175. ----, _Winter_, ii. 171, 172. _Plumbeous Ibis_, ii. 112. ---- _Rail_, ii. 150. Podager nacunda; ii. 12. Podiceps bicornis, ii. 202. ---- caliparæus, ii. 204. ---- chilensis, ii. 203. ---- dominicus, ii. 205. ---- major, ii. 203, 205. ---- rollandi, ii. 204, 205. Podilymbus antarcticus, ii. 206. ---- podiceps, ii. 206. Polioptila dumicola, i. 12. Polyborus brasiliensis, ii. 81. ---- tharus, ii. 65, 74, 81. ---- vulgaris, ii. 81. Poospiza albifrons, i. 49. ---- assimilis, i. 51. ---- erythrophrys, i. 50; ii. 229. ---- lateralis, i. 51. ---- melanoleuca, i. 52. ---- nigrorufa, i. 49. ---- ornata, i. 51. ---- thoracica, i. 51. ---- torquata, i. 51. ---- whitii, i. 50. Porphyriops melanops, ii. 156. Porzana leucopyrrha, ii. 154. ---- notata, ii. 155. ---- salinasi, ii. 155. ---- spilonota, ii. 155. ---- spiloptera, ii. 155, 225. _Pretty-throated Spine-tail_, i. 181. ---- _Warbling Finch_, i. 51. _Prince Maximilian's Parrot_, ii. 47. ---- _Max's Finch_, i. 44. Progne chalybea, i. 25. ---- domestica, i. 25. ---- furcata, i. 24, 25. ---- purpurea, i. 24. ---- tapera, i. 26, 85. Psarocolius unicolor, i. 108. Pseudoleistes virescens, i. 76, 97, 102. Psittacus amazonicus, ii. 47. Pterocnemis darwini, ii. 219. Pterocyanea cyanoptera, ii. 130. Pteroptochus albicollis, i. 207. Ptiloleptis guira, ii. 32. Ptyonura maculirostris, i. 134. _Pucheran's Hawk_, ii. 58. _Puff-bird, Spotted_, ii. 30. _Purple Martin_, i. 24. _Purple-and-Yellow Tanager_, i. 37. _Purple-breasted Trogon_, ii. 29. _Pygmy Owl_, ii. 56. Pyranga azaræ, i. 40. ---- coccinea, i. 40. ---- saira, i. 40. Pyrocephalus parvirostris, i. 152. ---- rubescens, i. 138. ---- rubineus, i. 111, 152; ii. 227. _Quarhi-rahi_, i. 153. _Queltregue_, ii. 166. Querquedula brasiliensis, ii. 45, 133.