July, 1913 STUDY O1 THE EGGS OF THE NORTH AMERICAN LIMICOLAE 147

lig. 45. NOS. 39-41, KILLDEER (Oxyhu$ 720/.'je'U$); FROM THR DIFFERENT SETS, OF THREE EGGS EACH. NO. 42, MOUNTAIN PLOVER (lodaoys noqlanl$); FROM  s o EE. NO. 43, XVSO POvE (Ocldrs ilsonits); o  ST O TREE. NO. , SOW OVER (MeKialilis nivosa); RO A S O TR. NO. 45, GOLD POVER (Caadi$ . domi$); FROM  SET OF FOUR. NOS.  AND 47, BLACK-NECKED STILT (Himans mexanus); FROM TWO DIF- FERE SETS, EACH OF FOUR EGGS. SLIGHTLY LESS THAN NATURAL SIZE.