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 July, 1913 STUDY OF THE EGGS OF THE NORTH AMERICAN LIiIICOLAE 149 Fig. 46. Nos. 48-50, LAYWING (Vanellus vanellus); FROM THREE I)IFFERElVT sETS, OF FOUR EGGS EACH. No. $1, BLACK OS.'ER-CA.'CHER (Hematopus bJchmani); vo a SE OV RE. NO. 52, OvsEa-cacEa (Hmas palllus); VaO a S OV wo. NOS. 53 a 54, EaovEa OvSEa- CTCER (Hmapus ostragus); Ro wo xERE SE O REE ES ACH. SLIGHTLY LESS THAN NATURAg SIZE.