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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.