758 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



aquilinus, Gymnops, 587. 



Ibicter, 587. 



Ibicter (Ibicter), 587, 



Ibvcter, 587. 



Polyborus, 587. 

 Aquilla, 452. 

 aquilonis, Chondrohierax uncinatus, 



102, 109, 110. 

 Archebuteo, 211. 

 Archibuteo, 63, 210, 211, 212. 



alticeps, 211. 



ferrugineus, 227, 236, 336. 



lagopus, 211, 335, 337. 



lagopus lagopus, 337. 



iagopus pallidus, 337. 



lagopus sanctijohannis, 332, 334, 

 337. 



lagopus sancti-johannis sancti- 

 johannis, 334. 



lagopus sibirica, 337. 



niger, 336. 



pallidus, 337. 



planiceps, 211. 



regalis, 230. 



sancti johannis, 331. 



sancto johannis, 331. 



St. johannis, 332. 



strophiatus, 212. 

 Archibuteones, 210. 

 Archibutes, 212. 

 Archifalco, 616. 

 architinnunculus, Falco, 722. 

 arcticus, Falco, 646. 



Falco communis, 643. 

 ardearius, Falco, 666. 

 Ardeidae, 524. 

 ardesiaceus, Accipiter, 195. 

 argula, Rupornis magnirostris, 347. 

 argutus, Buteo magnirostris, 216, 346, 



347. 

 arundinaceus, Falco, 538. 

 Ascipiter piscatorius, 530. 

 assimilis, Circus, 499. 

 Aster, 141. 



palumbarius albidus, 144. 

 Asterias, 141. 



palumbarius, 141. 

 Astor gallinarum, 145. 

 Astur, 63, 81, 141-143, 500. 



americanus, 585. 



atricapillus, 153, 163, 441. 



(Astur) atricapillus, 155. 



atricapillus henshawi, 162. 



atricapillus laingi, 163. 



atricapillus striatulus, 160, 163. 



borealis, 245. 



brachypterus, 562, 563. 



brachyurus, 356. 



cabanisii, 277, 280. 



cachinnans, 551, 556. 



caesius, 145. 



candidissimus, 144. 



cayennensis, 98. 



collaris, 146. 



cooperi, 170, 181. 



fuscus, 179, 187, 201, 286. 



Astur, galapagoensis, 274. 



gentilis, 145. 



gentilis albidus, 145. 



gentilis atricapillus, 159. 



gontihs dubius, 145. 



gentilis fujiyamae, 145. 



gentihs gallinarum, 145. 



gentilis gentilis, 145. 



gentilis schvedowi, 145. 



gentilis striatulus, 161. 



guianensis, 427. 



guyanensis, 427. 



harpyia, 436. 



hiemahs, 286. 



hyemalis, 286. 



latissimus, 316, 318. 



leucauchen, 565. 



leverianus, 245. 



longicauda, 81. 



magnirostris, 349. 



mirandoUei, 562. 



nisus, 146. 



nitidus, 216, 361, 363. 



palumbarius, 145, 159. 



palumbarius atricapillus, 155. 



pectoralis, 141, 148. 



pennsylvanicus, 195, 310. 



pileatus, 181. 



plagiatus, 362, 366. 



sexfasciatus, 166. 



striatulus, 161. 



unicinctus, 370, 404. 



unicinctus galapagoensis, 274. 

 Astur velox, 195. 



xanthothorax, 565. 

 Asturia, 358. 



cinerea, 358. 

 Asturina, 63, 210, 358, 368, 548. 



albifrons, 357. 



anthracina, 402. 



(Spizigeranus) anthracinus, 396. 



brachyura, 356. 



cinerea, 113, 363. 



cyanopus, 99. 



diadema, 357. 



ghiesbrechtii, 381, 383. 



guianensis, 427. 



(Thrasaetus) guianensis, 427. 



harpyia, 436. 



(Thrasaetus) harpyia, 435. 



harrisi, 374. 



magnirostris, 340, 342, 345, 346, 

 348, 351. 



magnirostris griseocauda, 342. 



meridionalis, 208. 



nattereri, 212. 



nitida, 216, 361, 363, 365, 366, 367. 



nitida costaricensis, 368. 



nitida micra, 366. 



nitida micrus, 366. 



nitida nitida, 216, 368. 



nitida plagata, 364. 



nitida plagiata, 362, 364, 366. 



nitidus, 361. 



plagiata, 317, 361, 363, 364, 366. 



plagiata maxima, 364. 



