162 NORTH AMERICAN BIRDS. 
with bright rusty brown or chestnut, the general aspect decidedly rusty.’ 
Hab. Western North America, breeding north to shores of Norton Sound, 
Alaska; during migrations occurring more or less plentifully along Atlantic 
COASE:.scisseeccnasedessssveaies 247. E. occidentalis Lawz. Western Sandpiper. 
Genus CALIDRIS Cuvier. (Page 149, pl. XLIV., fig. 4.) 
Species. 
Lower parts white, immaculate on belly, sides, flanks, under tail-coverts, axul- 
lars, and under wing-coverts; greater wing-coverts broadly tipped with white, and 
inner primaries white at base of outer webs. Summer adult: Above light rusty, 
spotted with blackish, many of the feathers tipped with whitish; head, neck, and 
chest pale rusty, streaked and speckled with dusky. Winter plumage: Above very 
pale uniform ash-gray, inclining to pearl-gray (the anterior lesser wing-coverts de- 
cidedly darker), varied only by slightly darker shaft-streaks to the feathers; throat 
and chest, like rest of lower parts, immaculate pure white. Spring plumage: Above 
light grayish, coarsely spotted with black (streaked on head and neck), and tinged 
here and there with rusty ; chest speckled with dusky. Young: Above pale gray- 
ish, spotted with black and whitish, the latter on the tips of the feathers; chest 
immaculate white, faintly tinged with dull buff. Length 7.00-8.75, wing 4.70-5.00, 
culmen .95-1.00, tarsus .90-1.05, middle toe .55-.60. Hggs 1.41 x .91, light olive- 
brown, finely spotted or speckled with darker, the markings larger and more 
blended on larger end. Hab. Nearly cosmopolitan, but breeding only in northern 
portion of northern hemisphere................ 248. C. arenaria (Linn.). Sanderling. 
Genus LIMOSA Brisson. (Page 149, pl. XLIX., fig. 1.) 
Species. 
a’, Wings without any white patch. 
b. Tail distinctly barred. 
ce’. Upper tail-coverts pale cinnamon, barred with black ; axillars and under 
wing-coverts cinnamon-rufous. 
Prevailing color pale cinnamon or ochraceous, the head and neck 
streaked, the remaining upper parts irregularly barred and 
spotted, with brownish dusky. Adult: Breast, sides, and flanks 
barred with dusky. Young: Breast, sides, and flanks im- 
maculate, and deeper ochraceous than in adult. Length 16.50- 
20.50, wing 8.50-9.00, culmen 3.50-5.06, tarsus 2.75-3.00, middle 
toe about 1.40. Eggs 2.27 x 1.60, pale olive, varying to light 
grayish buffy, irregularly and rather sparsely spotted with 
dark brown and dull purplish gray. Hab. North America in 
1 The eggs of the two species of this genus differ constantly and very decidedly in coloration, as shown by 
the above descriptions, which are based on a very large series of each. 
