Part 53

FAMILY II.--THE SCISSOR BILLS (RHYNCHOPES), iv., 185.

Sub-Family 1.--The Scissor Bills (Rhynchops), iv., 185; the Indian Scissor Bill (R. orientalis), iv., 185.

FAMILY III.--THE GULLS (LARI), iv., 186.

Sub-Family 1.--The Fishing Gulls (Larus), iv., 187; the Great Black-headed Gull (L. marinus), iv., 188; the Lesser Black-backed Gull (L. fuscus), iv., 190. " " 2.--The Ice Gulls (Pagophila), iv., 193; the Ivory Gull (P. eburnea), iv., 193. " " 3.--The Kittiwakes (Rissa), iv., 194; the Kittiwake (R. tridactyla), iv., 194. " " 4.--The Black-headed Gulls (Chroicocephalus), iv., 195; the Laughing Gull (C. ridibundus), iv., 195; the Great Black-headed Gull (C. ichthyaëtus), iv., 197; the Lesser Black-headed Gull (C. melanocephalus), iv., 198; the Little Gull (C. minuta), iv., 198. " " 5.--The Rosy Gulls (Rhodostethia), iv., 203; Ross's Rosy Gull (R. Rossii), iv., 203.

FAMILY IV.--THE SKUAS (LESTRES), iv., 198.

Sub-Family 1.--The Skuas (Lestris), iv., 198; the Common Skua (L. catarractes), iv., 199;. Buffon's or the Parasite Skua (L. parasiticus), iv., 202.

FAMILY V.--THE ALBATROSSES (DIOMEDEÆ), iv., 203.

Sub-Family 1.--The Albatrosses (Diomedea), iv., 203; the Wandering Albatross (D. exulans), iv., 205; the Yellow-billed Albatross (D. chlororhynchus), iv., 206; the Sooty Albatross (D. fuliginosa), iv., 207.

FAMILY VI.--THE PETRELS (PROCELLARIÆ), iv., 207.

Sub-Family 1.--The Giant Petrels (Procellaria), iv., 208; the Giant Petrel (P. gigantea), iv., 208; the Fulmar Petrel (P. glacialis), iv., 209; the Cape Petrel (P. Capensis), iv., 217. " " 2.--The Duck Petrels (Prion), iv., 213; the Duck Petrel (P. vittatus), iv., 213.

FAMILY VII.--THE STORM PETRELS (OCEANIDES), iv., 214.

Sub-Family 1.--The Storm Swallows (Thalassidroma), iv., 215; the Common Storm Petrel (T. pelagica), iv., 215. " " 2.--The Storm Swifts (Oceanodroma), iv., 217; Leach's Storm Petrel (O. Leachii), iv., 217.

FAMILY VIII.--THE PUFFINS (PUFFINI), iv., 217.

Sub-Family 1.--The Puffins (Puffinus), iv., 217; the Manx Puffin, or Shearwater (P. Anglorum), iv., 218.

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SUB-ORDER XVI.

OAR-FOOTED SEA-FLIERS (STEGANOPODES).

FAMILY I.--THE TROPIC BIRDS (PISCATRICES), iv., 219.

Sub-Family 1.--The Tropic Birds Proper (Phaëton), iv., 219; the White-tailed Tropic Bird (P. æthereus), iv., 220; the Red-tailed Tropic Bird (P. phœnicurus), iv., 220. " " 2.--The Gannets (Sula), iv., 221; the Common Gannet (S. alba), iv., 223.

FAMILY II.--THE FRIGATE BIRDS (TACHYPETES), iv., 224.

Sub-Family 1.--The Frigate Birds (Tachypetes), iv., 224; the Frigate Bird (T. aquila), iv., 224.

FAMILY III.--THE CORMORANTS (HALIEI), iv., 227.

Sub-Family 1.--The Darters, or Snake Necks (Plotus), iv., 228; the Anhinga (P. anhinga), iv., 228; Le Vaillant's Snake Bird (P. Levaillantii), iv., 230. " " 2.--The Cormorants Proper (Phalacrocorax), iv., 230; the Cormorant (P. carbo), iv., 234.

FAMILY IV.--THE PELICANS (PELECANI), iv., 235.

Sub-Family 1.--The Pelicans (Pelecanus), iv., 235; the White Pelican (P. onocrotalus), iv., 237; the Great Tufted or Dalmatian Pelican (P. crispus), iv., 239.

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SUB-ORDER XVII.

DIVERS (URINATORES).