246 
AVES. 
cleft longitudinally, and open in front, situated in the middle of 
the bill; legs long and slender ; tarsus with a distinct heel; feet 
with three anterior toes only, united as far as the second joint 
by a membrane, which extends along the toes; tail cuneiform. 
Qddicnemus crepitans. —Common Thick-Knee. 
„ Plate LXVI. fig. 6. 
Head, neck, and upper parts of the body, pale tawny brown; 
under parts the same, but paler; venter, and crissum, cream- 
yellow ; the whole plumage with longitudinal brown streaks 
down the middle of each feather; a pale streak both above and 
below the eyes ; bill yellow at the base, black at the tip ; quills 
black ; legs yellow; claws black. Sixteen inches long. Inha¬ 
bits Europe. 
Genus 2.—CALIDRIS.— Illiger. 
Generic Character _Bill of medium size, slender, straight, 
soft, and flexible throughout, compressed from the base to the 
point, depressed towards the point, which is flattened and ob¬ 
tuse ; nostrils lateral, and longitudinally cleft; legs slender, 
tarsus longer than the foot; feet with three anterior toes, 
divided nearly from the base; wings of medium size, the first 
quill the longest. 
Calidris asenaria. — Sanderling. 
Plate LVIII. fig. 4. 
Upper parts, and hypochondria, whitish-ash, with a dark gray 
line in the centre of each feather; face, throat, and abdomen, 
white ; wings bordered with black; tail ash-coloured, with a 
white margin. Seven inches long. Inhabits Europe. 
Genus 3.—FALCINELLUS.— Cuvier. 
Generic Character. —Bill arcuated, soft, compressed through¬ 
out, depressed at the point, with an elongated nasal furrow ; 
nostrils basal, lateral, linear; tarsus longer than the middle toe ; 
feet with three anterior toes only. 
Falcinellus pyymceus — Pigmy Curlew. 
Plate LVII. fig. 7. 
Back and scapulars black, edged with reddish-brown; rump 
