INDEX 



789 



Sarcoramphus grvphus, 59. 



papa, 12, 13,' 15. 



sacer, 17. 

 Sarcorhamphi, 4. 

 Sarcorhamphidae, 7. 

 Sarcorhamphinae, 7. 

 Sarcorhamphos, 11. 

 Sarcorhamphus, 11, 51. 



californianus, 56. 



papa, 16. 



sacer, 17. 

 Sarcorhampus papa, 17. 

 Sarcorramphus, 11. 

 Sarcorrhamphus, 11. 



papa, 17. 

 Scalospiza, 142. 



scandinaviae, Falco peregrinus, 618. 

 Scelospizia, 142. 

 Scelospizias, 142. 



schistacea, Leucopternis, 377, 386. 

 schistochlamys, Accipiter bicolor, 166. 

 schvedowi, Astur gentilis, 145. 

 scriptus, Elaniis, 70, 71. 

 Secretary bird, 579. 

 scminocturnis, Thrasyaccipiter, 560. 

 seminocturnus, Thrasyaccipiter, 565. 

 semiplumbea, Leucopternis, 377-379, 

 383, 385. 



Urubitinga, 385. 

 semiplumbeus, Buteo, 385. 



Leucopternis, 384. 

 semitorquatus, Climacocercus, 562, 571. 



Micrastur, 562, 567, 571. 



Micrastur semitorquatus, 562-564. 



Sparvius, 562, 563, 571. 

 Senex, 546. 

 sennetti, Buteo albicaudatus, 233, 236. 



Tachytriorchis, 236. 



Tachytriorchis albicaudatus, 236. 

 septentrionalis, Cathartes, 41. 



Cathartes aura, 33, 38, 41, 48. 



Falco femoralis, 619, 683. 



Falco fuscocaerulescens, 686. 



Rhynchofalco fusco-caerulescens, 686. 



Rhj^nchofalco fuscocoerulescens, 686. 

 Serpentarii, 61. 

 Serpentariidae, 61. 

 serpentarius, Sagittarius, 579. 

 sexfasciatus, Accipiter, 166, 167. 



Astur, 166. 



Nisus, 166. 

 sheffleri, Urubitornis solitaria, 417, 420, 



421. 

 sibirica, Archibuteo lagopus, 337. 

 s.-johannis, Buteo, 329. 

 sinus-honduri, Buteo magnirostris, 215, 

 347, 348. 



Buteo lagopus, 213, 214, 325, 330, 

 336, 337. 



Falco, 328. 

 sociabile, Hamirostrum, 135. 



Ibicter, 135. 

 sociabilis, Cymindes, 135, 137, 138, 139. 



Herpetotheres, 130, 133. 



Rosthramus, 133, 137, 139. 



Rosthramus sociabilis, 135. 



sociabilis, Rostramus, 134, 138, 139. 



Rostrhamphus, 135. 



Rostrhamus, 131-133, 137-139. 



Rostrhanius sociabilis, 131, 135, 

 138, 139. 



Rostrihamus, 134. 



Rostrohamus, 135. 

 socialis, Rostrhamus socialis, 135. 

 socorroensis, Buteo, 265. 



Buteo jamaiconsis, 222, 255, 264, 

 265. 



Buteo borealis, 265. 

 solitaria, Urubitornis, 417, 418, 420. 



Urubitornis solitaria, 417. 

 solitarius, Buteo, 211. 



Circactus, 415, 420. 



Harpyhaliaetus, 420. 



Harpvhaliaetus coronatus, 420. 



Urubitornis, 420. 

 solitudinis, Buteo borealis, 261. 



Buteo jamaicensis, 221, 223, 261. 

 soloensis, Accipiter, 142. 

 sonnini, Falco, 450. 



Morphnus, 450. 

 spadiceus, Buteo, 335, 515. 



Falco, 335, 504. 

 sparrerius, Falco, 730. 



Tinnunculus, 752. 

 sparvarius, Cerchneis, 735. 

 sparveria, Cerchneis, 735, 740. 750. 



Cerchneis sparveria, 736, 740. 

 sparverinus, Poecilornis, 747. 

 sparverioides, Cerchneis, 746. 



Falco, 746, 750, 753. 



Falco (Tinnunculus), 746. 



Falco sparverius, 620, 621, 743, 746. 



Tinnunculus, 746, 750. 

 sparverius, Cerchneis, 735. 



Cerchneis sparverius, 736. 



Falco, 614, 707, 715, 716, 726, 740, 

 742, 745, 746, 750, 751. 



Falco (Tinnunculus\ 716, 734. 



Falco sparverius, 620, 621, 722, 730, 

 739, 740, 742-744, 748. 



Falco (Tinnunculus) sparverius, 

 734, 742. 



Paecilornis, 737. 



Poecilornis, 737. 



Tinnunculus (Poecilornis), 735. 



Tinnunculus sparverius, 735. 



Tinnunculus, 616, 734, 740, 742, 

 750, 752. 



Tunninculus, 735. 

 Sparverius, 141. 

 sparveroides, Cerchneis, 747. 



Falco, 746. 



Falco (Tinnunculus), 746. 



Falco sparverius, 746. 



Tinnunculus, 746. 

 Sparvius, 141. 



atricapillus, 153. 



bicolor, 164, 167. 



caerulescens, 521. 



cirrhocephalus, 141. 



coerulescens, 522. 



gilvicoUis,' 565, 576, 577. 



