108 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
Toes, with small web; bill, usually under .85. 
Ereunetes pusillus. Semipalmated Sandpiper. 
See No. 200. 
Cad 
i Ereunetes pusillus. 
< (Foot.) 
7 = 
a A ee m7 “ge | 
es zit or 
Toes, with small web; bill, usually over .S85. 
Ereunetes occidentalis. Western Sandpiper. 
See No. 201. 
* Group 2. Wing, 3.75 to 4.50 inches long. 
Section 1. Toes, four, with small web (not lobate) at base. 
Bill, under .85 3; back, not greenish olive; bill, entirely black. 
Ereunetes pusillus. Semipalmated Sandpiper. 
See No. 200. 
Ereunetes pusillus, 
Bill, over .853 back, not greenish olive: bill, black; no white patch on inner web of 
third primary. Ereunctes occidentalis. Western Sandpiper. 
see No. 201. 
Small web between outer and middle toe; bill, over .85; back, greenish olive, sometimes 
banded; under mandible, pale yellow (in life): third primary and inner primaries with patch 
of white on inner web. Actites macularia. Spotted Sandpiper. 
See No. 216. 
* For directions for measurement, see page 9. 
