Semipalmated Sandpiper 117 
ashy and streaked. Young birds are very similar to the summer 
adults, but have the belly spotted with black, not with a continuous 
black patch. 
Distribution.—Breeding chiefly on the Barren Grounds from 
Hudson Bay to northern Alaska and Siberia, migrating chiefly along 
the coasts to winter in south California, the Gulf and South 
Atlantic States. 
A very rare migrant in Colorado, only twice recorded. There was 
an adult in winter dress in the Maxwell collection supposedly from 
Colorado, and W. G. Smith obtained two examples at Loveland, April 
28th and May 9th. 
Genus EREUNETES. 
Bill about as long as the tarsus, rather stout for the family ; toes 
basally webbed and broadly margined ; in other respects like Pisobia. 
Two North American species closely allied to one another, comprise 
this genus. Both are recorded from Colorado. 
a. Bill longer. E. mauri, p. 118. 
b. Bill shorter. E. pusillus, p. 117. 
Semipalmated Sandpiper. Hreunetes pusillus. 
A.0.U. Checklist no 246—Colorado Records—Henshaw 75, p. 454 ; 
Allen & Brewster 83, p. 198; Beckham 85, p. 143; Morriscn 89, 
p. 168; Cooke 97, pp. 19, 66. 
Description.—Adult in summer—Above, including the upper tail- 
coverts ashy-brown with dusky centres and some tawny edges ; central 
tail-feathers and primaries plain dusky ; below white with a few small 
dusky streaks on the lower-neck and chest ; iris dark brown, bill and 
legs greenish-black. Length 5-5; wing 3-65; tail 1-5; culmen -80; 
tarsus -75. 
In winter the upper-parts are nearly plain ashy-grey, and the spots 
on, the breast faint or obsolete ; young birds have a slight wash of 
buffy but no spots on the breast, and a good deal of white edging on 
the scapulars. It can be distinguished at once from P. minutilla, 
which it closely resembles in plumage by its basally-webbed toes. 
Distribution.—Breeding from Labrador and Hudson Bay to northern 
Alaska, south through the United States east of the Rocky Mountains, 
to winter in the Gulf States, West Indies and eastern South 
America. 
This little Sandpiper is not uncommon on migration in eastern 
Colorado, chiefly on the plains but ranging up as high as the mountain 
parks; it has been noticed by Carter in South and Middle Parks. It 
reaches Colorado about the end of April or beginning of May, and has 
