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<AfaF m, Swm/mer Flivmcuf&. 
Sterna mgra ; {lon,w) 
Length, about 10 inches. Slimmer visitant. Pood. worms mi aqaanc insects-Eggs Z to 4?, deposited on. die ground among sedges. 
Itl winter th.e foreliead. neck and. hreast are white. 
