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44 THE CONDOR Vol. XVIII (1915) that the acquaintance ripened into intimacy, and the Panama-Pacific International Exposition was the means of bringing this about. In the winter of 1914-15, when the lawns of the Exposition grounds were first laid out along the marina, and grass started upon them, it was remarked that flocks of gulls had been attracted thereby and had seized upon these open level spots as fine places to congregate and sun themselves, possibly finding some scraps from workmen's lunch baskets as a pleasing addition to their cus- tomary rations (fig. 4). But the matter ended there for that season, the birds drifting away to their breeding places as spring approached. Upon their return last fall, however, to take possession. of their new simning grounds and Fig. 7. BIRD ON ?'I.?G I-?' ACT OF CATCHING PIECE OF BREAD TOSSED TO IT the fine fresh water ponds they had so delighted in bathing in during the past winter, they found a great change had taken place. The buildings which they had stolidly watched in the making had grown into a marvelous city of beauty and grace, and it was peopled by throngs of human beings. These remarkable beings brought with them food, more food than they could eat, often leaving a goodly share upon the lawns and in many places. At first a few gulls found these gleanings in the early mornings, before the people came, and hastened to feast undisturbed (fig. 5). The news of the feasting spread far and wide, and as the hosts arrived from the rapidly freezing north they joined the earlier arrivals and assisted in the enjoyment of such good things, growing more