112 



KKV TO THE BIRDS OF EA«TEi:N NORTH AMERICA. 



Section 4. Toes, four, without web; bill, over 1.10; and 



less than 1.90. 



Winter. 



Bill, decurved iio:ir lip; one or more of inner secondaries, 

 almost entirely white ; ujiprr (nil coverln, not ichitc^ Ixirred with black ; 

 legs and feet, black. Spring hinls luivo l)];K-k on the. belly, iiiid 

 IcK'k, riirous blown and black. Fall birds bave the belly wliite and 

 back gray. Tringa alpina pm-ijicn. Red-backed Sandpiper, 



American Dunlin. 

 bee No. IDN. 



Ti'iii;;.1 alpiiia ])a(.'ifica. 



