108 KEY TO THE BIIIDS OF EASTKItX NORTH AAIERICA. 



Toes, with small wt'h; bill, usii;illy under .85. 



EreuneU's imsillns. Semipalmated Sandpiper. 

 See No. 200. 



Ereunetes luisillus 

 (Foot.) 



u 



Toes, witli small weh; bill, nsuallv over .S5. 



ErcMHPtoi ocriilfiitdlin. Western Sandpiper. 

 See No. 201. 



* Group 2. Wing, 3.75 to 4.5Cr inches long. 

 Section 1. Toes, four, witli small web (not lobate) at base. 



Bill, under .85 ; liack, not, i^rconish olive; bill, eiitirelv black. 



Kronnclis /nisilliis. Semipalmated Sandpiper. 



Se(i No. 200. 



Kr<MMicl( s |pii^illiis. 



Bill, Over .85; back, not <ii-eeiiis1i olive: bill, black; no wliile patch on inner Avcb of 

 third i)i-iinary. Ernniclcs ncrulfnittilis. Western Sandpiper. 



See \o. 201. 



Small web between niiler and middle to(>: l)ill, oxer .s.") ; back, greenish olive, sometimes 

 banded; under mandible, pale yellow (in life; ; Ibird primary and inner primaries with patth 

 of wlnle on inner wfb. Arlilt'.^ muciiluriif. Spotted Sandpiper. 



See No, 21 G. 



* For directions for iiu'iisurenieiit, tfe page ;). 



