m 
derate or short bill; legs long, naked above the Room xil 
knee; toes two or three, before ; no hind toe. 
Case 18 (upper part). Great Bustard (Otis 
tarda). Little Bustard (0. tetrax ), Courser, or 
Cream-coloured Plover (Carsorius isabellinus ). 
The Waders have most commonly a straight, 
compressed bill, of an elongated, conical form, 
—rarely depressed or flat; legs slender, long, 
more or less naked above the knees; toes, three 
before, with or without one behind ; the latter, 
when present, on the same level as the former, 
or higher. 
Cases 18 (part), 23. Thick-kneed Bustard 
(Charadrius cedicnemus ), Sanderling (Tringa are - 
naria ), Oyster-Catcher (Hcematopus ostralegus ), 
Golden Plover ( Charadrius pluvialis ), Dottrell 
(C. morinellus ), Ringed Plover (C. hiaticula), 
Grey Sand-Piper (Tringa squatarola ), Lapwing 
(T. vanellus ), Turnstone (T. interpres ), White 
Stork (Ardea alba). Black Stork (A. nigra). 
Heron ( A . cinerea), Purple Heron ( A . purpu¬ 
rea), Little White Heron ( A . cequinoctialis), 
Squacco Heron (A. ralloides), Little Pleron (. A. 
minuta ), Night Heron (A. nycticurax). Bittern 
(A, stellar is), Avocet (Recurvirostra avocetta). 
Spoonbill (Platalea leucorodia), Ibis (Ibis falci- 
nellus). Curlew (Numenius arquatus ), Whimbrel 
(N. phceopus), Pigmy Curlew (Tringa subar - 
quata). Dunlin (T. alpina). Little Sand-Piper 
(T.pusilla). Knot (T. cinerea), Ruff (T.pugnax), 
Purple 
