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The Prairie Horned Lark 153 directly under foot, nor do they run along the ground first, after the manner of a great many of the ground builders, but keep a good look out, and fly straight from the nest when anyone comes within fifty feet of them. It is needless to say that it takes sharp eyes to discover their exact position. At my arrival on the bright, sunny morning of April 24, the Lark was at home, and I had another opportunity of trying to IKJRNEU LARK AT NEST photograph her. I focused the camera three feet from the nest and retired to the end of my 60-foot rubber tube. The gophers seemed to be less afraid of me than the Lark, and several of them played together some ten feet awa}^ One little striped rascal began gnaw- ing at the rubber tube, and I was forced to frighten him away. This tube greatly puzzled the Lark, for in running around the camera she always came to a halt upon reaching it, and it was only after repeated trials and much excitement that she screwed up courage enough to hop over. Twenty minutes seemed to be sulB- cient time to reassure her, and with head lowered she hastened to the nest, looked in, and settled down upon the eggs. An exposure of one twenty-fifth of a second with stop 16 shows her as she was looking into the nest. While I reset my shutter and put in a new plate the Lark left the nest, but this time it took her only two minutes to return. A photograph of a young bird was taken on May 7. The pair of birds that were feeding this young one had already built a second nest, thinner and more loosely put together than the first, and were incubating four eggs. The enemies of the Prairie Horned Lark seem to be very numer-