254 
AVES. 
form with the upper side, where it is sharp and cutting ; from 
nearly the base, rises a notched ridge which traverses the mid¬ 
dle of the mandible and ends near the tip, beneath this it is 
hollowed, wfith some waved strite next the base ; under man¬ 
dible waved and arcuated above and beneath, with a longi¬ 
tudinal ridge in its centre, suddenly drawn to a point at tip, 
when closed, the under mandible envelopes the upper one 
the length of the ridge; nostrils oblong, ovate, longitudinal, 
situated near the base of the bill ,* legs very long, with three 
anterior toes webbed to their points ; the hallux small, articu¬ 
lated high on the tarsus ; wings of medium size, the second 
quill the longest. 
Phcsnicopterus ruber. — The Red Flamingo. 
Plate LXI. fig. 4. 
Head, back, lower parts, and scapulars, rose-colour; wings 
scarlet; quills deep black ; the long red secondaries exceeding 
the quills in length ; bill deep blood-red at the base, and black 
towards the tip ; legs red. Four feet four inches long. Inha¬ 
bits the four Continents. 
Genus 19. — RE CUR VIROSTB A.— Linnaeus. 
Generic Character. —Bill very long, slender, and weak, de¬ 
pressed, and retrousse at the point; upper mandible longitudi¬ 
nally channelled, and the under one laterally; nostrils linear, 
situated near the base of the bill, elongated ; legs long, and 
strong in proportion to the weight of the bird; feet with three 
anterior toes, united their whole length ; hallux short, articulat¬ 
ed high on the tarsus ; wings acuminated, the first quill longest. 
Recurvirostra ovocetta. — The Avocet. 
Plate LXI. fig. 5. 
White ; top of the head and wings black ; middle and larger 
coverts white; bill and feet gray. Eighteen inches long. In¬ 
habits Europe. 
Genus 20. — CANCROMA. — Linnceus. 
Generic Character. —Bill somewhat longer than the head, 
depressed, broader than deep, dilated towards the middle, the 
ridge prominent, with a groove on each side; upper mandible 
