Genus — A R E N A R I A . 
Arenaria Bechstein, Ornith. Taschenb., p. 462a, 1803 Type A. leucophcea. 
Calidris Bliger, Prodromus, p. 249, 1811 . . . . Type A. Teucophcea. 
Croceihia Billberg, Synops. Faunae Scand., Vol. I., 
pt. n., tab. A, and p. 132, 1828 Type A. teucophcea. 
Morinellus Gray, List Genera Birds, 2nd ed., p. 90, 
1841. 
Small Waders with short straight biUs, long wings, short tails, very short 
legs and toes, and tio hind toe. The culmen is short and straight with the 
tip somewhat expanded and slightly decurved ; the groove in the upper 
mandible is long, extending almost to the tip ; the culmen is about equal to 
the very short metatarsus and about half the length of the tail. 
The wings are long and pointed with the first primary longest. The 
tail is short, rounded, and less than half the length of the wing. The meta- 
tarsus is very short and only about one-fifth the length of the wing ; it is 
regularly scutellate in front and behind. The toes are very short, the middle 
toe being about half the length of the metatarsus ; there is no webbing 
between the toes. 
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