Order Fulicariæ — (Rails and Coots)
FAMILY RALLIDÆ
(Rails)
101. Crex (Corn-crake). Bill shorter than the head, thick at the base, compressed, pointed; front toes entirely divided, not margined; second and third primaries longest. Tail pointed, rectrices narrow.
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102. Porzana (Spotted and Little Crakes). Bill shorter than head; wings shorter than in Crex; second quill longest; secondaries shorter than primaries by length of hind toe and claw.
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103. Rallus (Water-rail). Bill longer than head; wings moderate, third and fourth quills longest.
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104. Gallínula (Moor-hen). Bill shorter than the head, stout, straight, compressed; upper mandible expanding at the base and forming a disc on the forehead; toes entirely divided, bordered by a narrow entire membrane, middle toe longer than tarsus.
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105. Fúlica (Coot). Bill shorter than the head, straight, robust, convex above, much compressed; upper mandible dilated at the base, and forming a naked patch on the forehead; all the toes united at the base, and bordered by a scalloped membrane.
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Angle of the mandible always truncated, hind toe generally raised above level of others.
FAMILY GRUIDÆ
Nasal depression more than half as long as maxilla; rectrices twelve.
106. Grus (Crane). Upper mandible deeply channelled; nostrils medial; wings moderate; third primary longest.
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FAMILY OTIDIDÆ
(Bustards)
Bill flattened and obtuse; no hind toe; tarsi unarmed; wings very short; rectrices sixteen to twenty.
107. Otis (Bustard). Legs long, naked above the knee; wings moderate, hind quill longest.
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