| Sub-Family | 1.—The Laughing Hawks (Herpetotheres), ii., 1; the Laughing Hawk (H. cachinnans), ii., 1. |
| " " | 2.—The Toothed Hawks (Harpagus), ii., 2; the Double-toothed Hawk (H. bidentatus), ii., 2. |
| " " | 3.—The Sparrow Hawks (Nisus), ii., 2; the Sparrow Hawk (N. communis), ii., 2. |
| " " | 4.—The Hawks Proper (Astur), ii., 4; the Gos Hawk (A. palumbarius), ii, 4. |
| " " | 5.—The Singing Hawks (Mclierax), ii., 6; the Singing Hawk (M. musicus and M. polyzonus), ii, 6. |
| " " | 6.—The Serpent Hawks (Polyboroides), ii., 7; the Serpent Hawk (P. typicus), ii., 7. |
FAMILY III.—THE EAGLES (AQUILÆ), ii., 8.
| Sub-Family | 1.—The True Eagles (Aquila), ii., 10; the Tawny Eagle (A. fulva), ii., 11; the Golden Eagle (A. chrysaëtos), ii., 10; the Imperial Eagle (A. imperialis), ii., 10; the Spotted Eagle (A. nævia) ii., 13; the Dwarf Eagles (Hieraëtos), ii., 13; the Booted Eagle (H. pennata), ii., 14; the Dwarf Eagle (H. minuta), ii., 15. |
| " " | 2.—The Wedge-tailed Eagles (Uroaëtos), ii., 15; the Bold Wedge-tailed Eagle (U. audax), ii., 17. |
| " " | 3.—The Hawk Eagles (Pseudaëtos Eudolmaëtos, or Asturaëtos), ii., 17; the Hawk Eagle (P. Bonellii), ii., 17. |
| " " | 4.—The Hooded Eagles (Spizaëtos), ii., 18; the Martial Hooded Eagle (S. bellicosus), ii., 18. |
| " " | 5.—The Tufted Eagles (Lophaëtos), ii., 19; the Tufted Eagle (L. occipitalis), ii., 19. |
| " " | 6.—The Destroying Eagles (Pternura), ii., 19; the Urutaurana (P. tyrannus), ii., 20; Isidore's Destroying Eagle (P. Isidori), ii., 21. |
| " " | 7.—The Brazilian Eagles (Morphnus), ii., 21; the Crested Brazilian Eagle (M. Guianensis), ii., 21. |
| " " | 8.—The Harpy Eagles (Harpyia), ii., 22; the Harpy Eagle (H. destructor), ii., 22.[Pg 276] |
| " " | 9.—The Sea Eagles (Haliaëtos), ii., 23; the Sea Eagle (H. albicilla), ii., 23; the White-headed Sea Eagle (H. leucocephalus), ii., 23; the African Screaming Sea Eagle (H. vocifer), ii., 27. |
| " " | 10.—The River Eagles, or Fish Hawks (Pandion), ii., 30; the Osprey (P. Haliaëtos), ii., 30. |
FAMILY IV.—THE KITES (MILVI), ii., 31.
| Sub-Family | 1.—The Short-tailed Kites (Helotarsus), ii., 32; the Short-tailed Kite (H. ecaudatus), ii., 32. |
| " " | 2.—The Gliding Kites (Elanus), ii., 34; the True Gliding Kite (E. melanopterus), ii., 34. |
| " " | 3.—The Hovering Kites (Ictinia), ii., 35; the Mississippi Kite (I. Mississippiensis), ii., 35. |
| " " | 4.—The Crooked-billed Kites (Cymindis), ii., 36; the Buzzard Kite (C. uncinatus), ii., 36. |
| " " | 5.—The Hooded Kites (Baza), ii., 37; the Syama (B. lophotes), ii., 37. |
| " " | 6.—The Water Kites (Hydroictinia), ii., 37; the Black Kite (H. atra), ii., 37; the Govinda (H. Govinda), ii., 39; the Parasite Kite (H. parasitica), ii., 39. |
| " " | 7.—The True Kites (Milvus), ii., 40; the Red or Royal Kite (M. regalis), ii., 40. |
| " " | 8.—The Swallow-tailed Kites (Nauclerus), ii., 41; the Swallow-tailed Kite (N. furcatus), ii., 41. |
| " " | 9.—The Dwarf Swallow-tailed Kites (Chelidopterix), ii., 42; the Dwarf Swallow-tailed Kite (C. Riocouri), ii., 43. |
| " " | 10.—The Meadow Kites (Strigiceps), ii., 43; the Blue Kite, or Hen Harrier (S. cyaneus), ii., 43; the Pallid Harrier (S. pallidus), ii., 43; the Ash-coloured Harrier (S. cineraceus), ii., 44. |
| " " | 11.—The Marsh Kites (Circus), ii., 45; the Reed Kite, or Marsh Harrier (C. rufus), ii., 45. |
| " " | 12.—The Spotted Kites (Spilocircus), ii., 46; Jardine's Spotted Kite (S. Jardinii), ii., 46. |
FAMILY V.—THE BUZZARDS (BUTEONES), ii., 47.
| Sub-Family | 1.—The Eagle Buzzards (Circaëtos), ii., 47; the Snake Buzzard (C. brachydactylus), ii., 48. |
| " " | 2.—The Crested Buzzards (Spilornis), ii., 50; the Bacha (S. Bacha), ii., 50. |
| " " | 3.—The Honey Buzzards (Pernis), ii., 50; the Wasp Kite (P. apivorus), ii., 50; the Crested Honey Buzzard (P. cristatus), ii., 52. |
| " " | 4.—The Rough-legged Buzzards (Archibuteo), ii., 52; the Winter Buzzard (A. Lagopus), ii., 52. |
| " " | 5.—The True Buzzards (Buteo), ii., 52; the Common or Mouse Buzzard (B. vulgaris), ii., 52. |
| " " | 6.—The Grasshopper Buzzards (Poliornis), ii., 54; the Red-winged Buzzard (P. rufipennis), ii., 54; the Tesa (P. tesa), ii., 54. |
| " " | 7.—The Hook-beaked Buzzards (Rostrhamus), ii., 55; the Caracolero (R. hamatus), ii., 55. |
| " " | 8.—The Urubitingas (Hypomorphnus), ii., 55; the Urubitinga (H. Urubitinga), ii., 55. |
FAMILY VI.—THE VULTURE FALCONS (POLYBORI), ii., 56.
| Sub-Family | 1.—The Vulture Buzzards (Milvago), ii., 57; the Chimango (M. Chimachima), ii., 57; the Vulture Buzzard (M. Australis), ii., 58. |
| " " | 2.—The Vulture Falcons (Polyborus), ii., 58; the Carancho (P. Brasiliensis), ii., 58. |
| " " | 3.—The Screaming Buzzards (Ibicter), ii., 60; the Ganga (I. Americanus), ii., 60. |
FAMILY VII.—THE CRANE VULTURES (GYPOGERANI), ii., 62.