Mayhew 1947 May 22 Western Robin 23 U.C. campus, Alameda Co., Calif. the nest from where she had been feeding on the lawn about 500 feet south-west of the nest. She settled down on the nest immediately, facing west. As she settled down, she gave a rolling action to her body as before. at 3:07 P.M. she flew out on the lawn about 30 feet from the nest & chased the or away, who had just arrived there in his search for worms. As soon as the or flew away, the ? flew south-west to a spot on the lawn about 200 feet from the nest, where she began to look for worms herself. She would run a few steps, then stand motionless for one or two seconds. If no worms were detected, she would run a few steps again. When a worm was found, she would jump at it and grab it in her bill. At 3:12 P.M. she returned directly to the nest, settling down with a rolling motion as before, facing west. at 3:15 P.M. a Bush-tit flew into the tree about 10 feet above the nest. The Robin paid no attention. The Bush-tit continued to hop about from branch to branch, uttering a low, tsip occasionally; but the Robin never paid any attention. The Bush-tit left at 3:18 P.M. At 3:21 P.M. the ? stood up in the nest & began preening her feathers. at 3:22 P.M. she settled down on the