. On the natural history and classification of birds . Picus, Sw. Lateral ridge situated nearer to the edge than to the culmen. Bill with the sides compressed. Neck long, and thin. Versatile toe considerably lengthened. America and India. P. robustus. Spix, pi. 44. principalis. Wilson, 29. f. 1. Hemicircus, Sw. Tail excessively short, and very broad. Neck short, very slender. Bill straight, considerably compressed. Lateral ridge slight, near to the margin. Nostrils concealed. Feet very large. Versatile toe always longer than the anterior. Wings nearly as long as the tail. India. H. concretus.
. On the natural history and classification of birds . Picus, Sw. Lateral ridge situated nearer to the edge than to the culmen. Bill with the sides compressed. Neck long, and thin. Versatile toe considerably lengthened. America and India. P. robustus. Spix, pi. 44. principalis. Wilson, 29. f. 1. Hemicircus, Sw. Tail excessively short, and very broad. Neck short, very slender. Bill straight, considerably compressed. Lateral ridge slight, near to the margin. Nostrils concealed. Feet very large. Versatile toe always longer than the anterior. Wings nearly as long as the tail. India. H. concretus. PI. Col. , Sw. Lateral ridge close to the margin. Sides of the bill much compressed; the base wide. Versatile toe usually longer than the anterior. Plum-age, olive above, generally spotted or banded. Africa only *, excepting two species from Tropical fulviscapus. Ois. dAf. pi. , Sw. Lateral ridges close to the margin. Bill rather broader than high. Feet three-toed; the two anterior nearly equal, the posterior much
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Keywords: ., bookcentury1800, bookid, booksubjectbirds, booksubjectornithology
