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 straw, a few pebbles or other handy materials satisfies their ambition. In the bare, exposed situation usually chosen, such a nest, with its four spotted eggs, is much less conspicuous than would be a well made one. The first of our pictures showed one of these nests located in a cornfield, which is a not very uncommon site, although bare pasture knolls and gravelly banks are more usually selected. The photograph of the nest and eggs was, of course, easily secured, and is chiefly of interest because it shows so well how an open nest with its eggs may be protected by blending perfectly with the general color of the immediate surroundings—protective coloration, as it is called. To secure the portrait of the



KILLDEER ON NEST

wary old Killdeer, who left the nest the instant anyone but entered the large field, seemed a hopeless task. But the novice is ever ambitious, and the attempt was made in the following fashion, with what success the accompanying pictures will show. Placing the camera on the sharply tilted tripod, so that the distance from lens to nest was about four feet, the dreadful looking object was left in position for some time on the evening preceding the day on which the photographs were taken. The next day proved light and clear, and with the sun well up in the heavens we began operations, my companion and assistant on this occasion being Rev. H. W. Gleason, a bird enthusiast undaunted by any obstacle and fertile