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 May, 1911 NESTING COLONY 01 HEERMAlqN GULLS AND BREWSTER BOOBIES 105 Fig. 34. NESTING COLONY OF HERRMANN GULLS, IDLEFONSO ISLAND, LOWER CAIIFORN'A; MARCH 23, 1909 Fig. 35. PORTION OF COLONY OF HEERMANN GULLS; APRIL 8, 1909. AT THIS TIME THERE WERE ABOUT 2,00 NESTS IN THE COLONY