108 



KEY TO THE ]?IRD.S OF EASTEUN NORTH AMERICA. 



Toes, with small \ve)j; bill, usually under .85. 



Ereunetcs pusilhis. Semipalmated Sandpiper. 

 See No. 200. 



F 



Ereunetes piisillus. 

 (Foot.) 



_»V 



Toes, with small weh ; l)ill, usually over .S.t, 



Eretinetpn neridrntah's. Western Sandpiper. 



Sec NO. 201. 



* Group 2. Wing, 3.75 to 4.50r inches long. 

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



Bill, under .85 ; hack, not greenisli olive; bill, entirclv black. 



EreuneUx pusiUus. Semipalmated Sandpiper. 

 See No. 200. 



EifMiiii'iis inisilhis. 



Bill, over .85; hack, not greenish olive; l)ill, hinclc; no while p:itcli on inner web of 

 third primary. ErennrtcH ocn'ilotta/is. Western Sandpiper. 



Sec No. 201. 



Small web between outer and middle toe; hill, over .S.") ; back, greenish olive, sometimes 

 handed ; under mandible, pale yellow (in life): third primary and inner prim;iri(!s witli italch 

 of white on inner web. Ariit.rs manilarid. Spotted Sandpiper. 



See No. 216. 



* For ilirec^tions lor nieasiireiiieiit, ^ee page 9. 



