Synopsis of the Birds 
320 
256. Tringa tslandica, L. Bill hardly longer than the head, 
straight; rump white, varied with black ; tail perfectly even. 
Summer plumage black varied with rusty, beneath rusty: 
winter, light ash, beneath white. 
Young, dark ash, varied with black and white, beneath 
white. 
Red-breasted Sandpiper , Tringa rufa , Wils. Am. On. vii. 
p . 43. pi. 57. fig . 5 . summer dress ; and ash-colored Sand- 
piper , Trmga cinerea , Wils. Am. Orn . vii. p. 36. pl> 57 • fig* 2. 
winter dress. 
inhabits both continents : common during spring and 
autumn in the middle states. 
SUBGENUS III. CALIDRIS. 
Tringa , Charadrius , Gm. Charadrius , hath. Armaria , 
Briss. Cuv. Vieill. Calidris, III. Temm. Rariz. 
Feet 3-toed ; toes cleft from the base ; no rudiment of 
hind toe. 
Keeping almost exclusively on sandy beaches ; closely 
follow ing the flux and reflux of the surf, to pick up the small 
animals left on the sand. 
Cosmopolite. Formed of but a single species, which can- 
not be separated from the Tringae in a natural arrangement, 
though authors, taking no other characters in consideration, 
but the want of hind toe, place it artificially even in a 
distinct Family or Order ! 
257. Tringa arenaria, L. Bill shorter than the head, 
straight ; rump ash ; middle tail feathers longest. 
Summer plumage varied with black, white. and rufous, 
beneath white : winter, light ash, sic.es of the head, and all 
beneath white. 
Ruddy Plover. Charadrius rubidus , Wils. Am. Orn. vii. 
p. 129 .pi. 63. fig. 3 . summer dress. Sanderling Plover , Chara- 
