590 
olivaceus, Pelecanus, 13. 
olivascens, Saitator coerulescens, 562. 
Ommata, 50. 
(Eclipta) brevipennis, 50. 
(Eclipta) brevipennis fulvipes, 50. 
(Eclipta) brevipennis sanguinicol- 
lis, 50. 
(Eclipta) poecila maculicollis, 51. 
(Hclipta) poecila nigricornis, 51. 
Onychorhynchus castelnaui, 509. 
coronatus castelnaui, 509. 
Oomerus, 241. 
Opisthocomidae, 393. 
Opisthocomus hoazin, 393. 
orbiculare, Tanystylum, 165, 167, 169 
(fig.), 170, 171, 179, 202, 241, 266, 267 
(fig.), 303, 310, 325, 335. 
ordii, Bucco, 433. 
Notharchus, 433. 
orenocensis, Cnipolegus, 499. 
Formicivora, 470. 
Formicivora intermedia, 470. 
Knipolegus orenocensis, 499. 
Saltator, 562. 
Saltator orenocensis, 562. 
Thalurania fureata, 423. 
Xiphocolaptes, 447. 
Xiphocolaptes promeropirhynchus, 
447. 
Oreopelia montana martinica, 402. 
montana montana, 402. 
orienticola, Penelope granti, 391. 
Penelope jacquacu, 391. 
orinocensis, Chlorostilbon, 423. 
Leptopogon amaurocephalus, 522. 
Sublegatus glaber, 377, 520. 
Thlypopsis sordida, 377, 560. 
Veniliornis, 446. 
Veniliornis affinis, 446. 
Oriolus chrysocephalus, 546. 
mexicanus, 547. 
oryzivorus, 545. 
picus, 448. 
viridis, 544, 
ornatum, Ainigma, 180. 
ornatus, Falco, 388. 
Spizaetus, 385. 
Spizaetus ornatus, 388. 
ornicollis, Diphotus, 70, 73. 
Ornismya theresiae, 424. 
Ornithion napaeum, 520. 
Oropallene dimorpha, 199. 
Ortalis motmot motmot, 392. 
oryzivorus, Oriolus, 545. 
Psomocolax oryzivorus, 545. 
Oryzoborus angolensis torridus, 566. 
oscitans, Pallenopsis, 211, 301. 
Phoxichilidium, 210. 
osculans, Ramphastos, 4388. 
Osoriinae, 121. 
Osorius lewisi, 121. 
Ostinops flavescens, 545. 
viridis, 544. 
Otus watsonii usta, 410. 
watsonii watsonii, 409. 
ovatus, Lecythorhynechus, 175. 
PROCEEDINGS OF THE NATIONAL MUSEUM 
VOL. 97 
Oxylymma, 48. 
lepida, 49. 
tuberculicollis, 48. 
Oxytelinae, 118. 
pachita, Proechimys guyannensis, 138. 
pachycheira, Pseudopallene, 205. 
Pachyramphus marginatus nanus, 488. 
polychropterus niger, 488. 
polychropterus tristis, 488. 
rufus, 488. 
Pachyrhynchus niger, 488. 
Pachysylvia semicinerea viridiceps, 536. 
Paederinae, 121. 
Palaminus, 122. 
palidus, Anoplops rufigula, 480. 
Pallene, 201, 202. 
acus, 204. 
brevirostris, 202. 
circularis, 206. 
emaciata, 204. 
empusa, 202. 
hastata, 204. 
hispida, 206. 
palpida, 199. 
phantoma, 204. 
producta, 204. 
pygmaea, 224. 
Pallenidae, 199. 
pallenoides, Nymphon, 185. 
Pallenopsis, 160, 200, 201, 209, 211. 
caleanea, 164, 208 (fig.), 209, 211, 
Sats ool. 
denticulata, 201. 
forficifer, 164, 208 (fig.), 209, 212, 
298, 301, 307, 311, 325, 333. 
longirostris, 164, 208 (fig.), 209, 
210, 211, 295, 297, 298, 299, 301, 
309, 313. 
oscitans, 211, 301. 
plumipes, 210, 313. 
schmitti, 164, 209, 212, 213 (fig.), 
296, 298, 307, 311, 332, 334. 
tritonis, 308. 
tritonis (holti), 322. 
pallens, Myiopagis placens, 519. 
Myiopagis viridicata. 519. 
Photinus, 62. 
pallida, Anaphia, 219, 225, 226. 
Chelidoptera tenebrosa, 436. 
Dejeania, 146, 154. 
Hudejeania, 141, 146, 153, 154. 
Gymnopithys rufigula, 480. 
Myrmotherula cinereiventris, 469. 
Myrmotherula menetriesii, 469. 
pallipennis, Bledius, 119. 
pallipes, Dejeania, 149. 
Hudejeania, 142, 144, 148, 149, 150, 
151, 1538, 154. 
palmarum, Thraupis palmarum, 556. 
palpida, Pallene, 199. 
pamphorum, Pycnogonum, 277. 
panamensis, Proechimys guyannensis, 
136, 1387, 139. 
Tyrannulus elatus, 522. 
panamum, Pycnogonum, 281. 
