Suborder CORACIAE.

Caeca present. Oil-gland nude. Sternum with four notches on the posterior margin, and the manubrium sterni consists of the outer process (spina externa) only and is long and not distinctly forked. Both carotids are present. The spinal feather-tract well defined on the neck, but forked on the upper back, to leave a dorsal apterium or featherless space. 14 cervical vertebras. The plantar tendons blend completely before subdividing at all.
A single family.

Bill corvine in shape, the upper mandible notched beneath near the end, culmen rounded. Outer united to the middle toe at the extreme base, inner toe united by its basal joint. Nostrils at the base of the mandible. Primaries 10; tail-feathers 12. Sexes alike.

This family is found in tropical and temperate regions of the Old World. Two genera are Indian.

Key to the Genera.

a. Bill compressed; breadth at gape about half length of culmen………………………….CORACIAS, p. 103.
b. Bill short, broad; breadth at gape about equal to culmen………………………….EURYSTOMUS, p. 107,.

The Fauna Of British India including Ceylon and Burma
Blanford, William Thomas, ed. The Fauna of British India: Including Ceylon and Burma. Vol.3 1895.
Title in Book: 
Suborder CORACIAE.
Book Author: 
William Thomas Blanford
Page No: 
vol. 3

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