FAMILY III.—THE LOONS (URIÆ), iv., 250,

Sub-Family1.—The Black Guillemots (Cephus), iv., 250; the Black Guillemot (C. grylle), iv., 250.
" "2.—The True Guillemots (Uria), iv., 251; the Common or Foolish Guillemot (U. troile), iv., 253.
" "3.—The Little Auks (Mergulus, or Arctica), iv., 254; the Little Auk (M. or A. Alle), iv., 254.

FAMILY IV.—THE STARIKIS (PHALERES), iv., 255.

Sub-Family 1.—The Crested Divers (Phaleris), iv., 255; the Stariki (P. cristatella), iv., 255.

FAMILY V.—THE AUKS (ALCÆ), iv., 255.

Sub-Family1.—The Auks (Alca), iv., 256; the Razor-bill (A. torda), iv., 256.
" "2.—The Great Auks (Pinguinus, or Plautus), iv., 258; the Great Auk (P. impennis), iv., 258.
" "3.—The Coulternebs (Mormon), iv., 262; the Coulterneb, or Arctic Puffin (M. fratercula), iv., 262.

FAMILY VI.—THE PENGUINS (APTENODYTÆ), iv., 265.

Sub-Family1.—The King Penguins (Aptenodytes), iv., 265; the King Penguin (A. Patagonica), iv., 266.
" "2.—The True Penguins (Spheniscus), iv., 267; the Spectacled or Cape Penguin (S. demersus), iv., 267.
" "3.—The Leaping Penguins (Eudypetes), iv., 268; the Golden or Crested Penguin (E. catarractes), iv., 268.

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