208 
AVES. 
Genus 2.—INDIC A TOR.— Vieillot. 
Generic Character _Bill short, depressed, sides dilated; 
point notched and slightly bent; upper mandible ridged ; nasal 
furrow large ; nostrils basal, somewhat tubular; tarsus shorter 
than the external toe ; the anterior toe united to the first joint; 
wings long; the third quill longer than the rest. 
Indicator Major. — The Great Honey-Guide. 
Plate XLVIII. fig. 3. 
Upper parts brownish-olive-green; rump and tail-coverts 
white ; breast and under parts pale yellow; middle of the neck 
spotted with black. Ten inches long. Inhabits Africa. 
Genus 3. — CUCULUS.— Linnaeus. 
Generic Character. —Bill somewhat compressed, slightly 
curved, of the length of the head; nostrils basal, round, mar¬ 
gined by a naked prominent membrane, and pierced in the mar¬ 
gin of the mandible; wings of medium length, first quill short, 
the third longest; tarsus very short, legs feathered below the 
knee; hind toes free, the exterior reversible; tail more or less 
cuneiform. 
Cuculus canorus. —The Common Cuckoo. 
Plate XLVIII. fig. 4. 
Head, neck, breast, and upper parts, blue-gray, darker on the 
wing-coverts; abdomen, thighs, and under tail-coverts, white, 
transversely barred with black; inner edges of quills spotted 
with white; tail black, tipped with white; bill horn-colour, 
yellowish at the base; corner of mouth and ophthalmic region 
orange*; irides gamboge-yellow; legs yellow. Ten inches and a 
half long. Inhabits Europe. 
Genus 4. — CO CC YZ US. — VieiUot. 
Generic Character .—Bill strong, compressed, with a distinct 
ridge, and slightly bent from its base; under mandible straight, 
sloping at the tip; nostrils basal, half covered by a naked mem¬ 
brane ; legs slender, tarsus longer than the exterior toe; wings 
short, somewhat rounded, the first five feathers graduated. 
