790 



BULLETIN 5 0. UNITED STATES NATIONAL MUSEUM 



Sparvius melanoleucus, 559-563, 572. 



nionachus, 99. 



nisus, 146. 



platypterus. 311, 321. 



ruficoUis. 560, 564. 566, 57S. 



semitorquatus. 562, 563. 571. 



striatus, 1S7, 199. 



subnicer, 1S3. 

 speciosus. Falco (Astun, 316. 

 sphenurus. Accipiter, 142. 

 Spilocircus, 499. 

 Spilornis, 63, 550. 

 spixii, Spizaetiis, 452. 

 Spizacircus, 499. 

 Spizacirus, 499. 

 Spizaetos, 441. 

 Spizaetus, 63. 66. 210, 437, 441. 443. 



apirati, 441. 



ater, 396. 



atricapillus, 441. 



atriceps, 441. 



braccatus, 452. 



manduyti, 447. 



mauduyti, 441, 447. 



melanoleucus, 212, 440. 



(.Spizastur^ melanoleucus, 440. 



nieer, 396. 



ornatus, 442-444, 446, 447, 452. 



ornatus vicarius, 443. 444, 448. 



spixii, 452. 



tyrannus, 442, 443, 447, 44S, 451. 



(Pternura^ tyrannus, 449. 



variegatus, 427. 

 Spizageranus, 204, 368. 

 Spizastur, 66, 437. 



atricapillus, 441. 



melanoleucus, 438, 439, 440. 

 Spiziacircus, 499. 

 Spiziaptervx, 546. 

 Spiziastur" 63, 210, 437. 



melanoleucus, 441. 

 Spizigeranus, 204. 



unicinctus, 374. 

 Spiziopteryx, 546. 

 Spizogeranus, 368. 

 stanleii, Falco, 179. 

 stanlevi, Cooperastur, 179. 



Falco. 179. 

 stanleyii, Falco, 179. 

 st. johannis, Archibuteo, 332. 



Buteo, 329. 



Buteo (Archibuteo\ 329. 

 striatulus, Accipiter, 162. 



Accipiter atricapillus, 161, 163. 



Accipiter gentilis, 150, 162, 163. 



.\stur, 161. 



striatulus, Astur atricapillus, 160, 163. 



Astur gentilis, 161. 

 striatus. Accipiter, 146, 187, 199, 202. 



Accipiter atricapillus, 162. 



Accipiter fuscus, 199. 



Accipiter striatus, 147, 198-201. 



striatus, Nisus, 187, 199. 



Spar\ius, 187, 199. 

 Striges, 1, 2, 524, 545, 558. 

 Strigiceps, 498. 



Strigiceps hudsonicus, 514. 



hudsonius, 513. 



uliginosus, 504. 

 strigilata, Milvago chimachima, 591. 

 strigilatus. Gymnops, 582, 591. 



Fandion, 582. 

 strophiata, Butaquila, 212. 

 strophiatus, .-Vrchibuteo, 212. 

 subbuteo, Falco, 614, 615, 617. 

 subcaerulea, Ictinia, 125. 

 subceruleus, Falco, 125. 

 subcoerulea, Ictinia, 125. 

 sublanarius, Falco, 631. 

 subniger, Accipiter, 183. 



Falco, 615. 



Sparvius, 183. 

 subtilis, Buteogallus, 406. 



Buteosallus anthracinus, 398, 403, 

 405.^" 406. 



I'rubitinga, 406. 



Urubitinga anthracina, 406. 



Urubitinga urubitinga, 406. 

 suckleyi, Aesalon, 715. 



Aesalon columbarius, 715. 



Aesalon lithofalco, 715. 



Falco, 715. 



Falco columbarius, 619, 620, 712, 

 713. 714. 



Falco lithofalco, 715. 



Tinnunculus columbarius, 715. 

 sufflator, Falco, 550, 558. 

 superbus, Falco, 441. 

 superciliaris, Potamolegus, 212. 

 superciliosus, Accipiter, 146, 183. 



Accipiter superciUosus, 146, 149. 



Falco, 146, 183. 



Xisus i,Hieraspizias\ 183. 

 superior, Parabuteo unicinctus, 370, 374, 



376. 

 suttoni, Accipiter striatus, 147, 186, 195, 



196. 

 swainsoni, Buteo, 217, 218, 295, 299. 



Buteo t^Craxirex), 305. 



Buteo swainsoni, 305. 



Craxirex, 305. 



Elanus, 79. 



Gampsonyx, 76, 79. 

 swainsonii, Buteo, 305. 



Elanus, 79. 



Gampsonix, SO. 



Gampsonyx, 77, 78, 79. 



Gampson\"x swainsonii, 77, 80. 

 syama, Baza, 81. 

 sylvanicus, Buteo, 317. 



tachiro, Falco, 141. 

 Tachyptriorchis, 211. 

 Tachyspiza, 142. 

 Tachyspizia, 142. 

 Tachvspizias, 142. 

 Tachvtriorchis, 63, 211, 213, 232. 



abbreviatus, 278, 280. 



albicaudatus, 235. 



albicaudatus exiguus, 224. 



albicaudatus sennetti, 236. 



albinotatus, 277. 



