February 29,1936 48.3. bang. A male Allen Hummingbird, by thus beautiful nuptial dives, The purerence of another hummer that happened by and by other maneuvers, demonstrated to us that it was establishing a territory. Within 15 minutes a Red-chested Sapsucker its working for us immediately after we had quite thoroughly examined its working, on a tree—just as if the whole thing had been planned out ahead) time between the Sapsucker and our instinct. The bird took sap from the freshest of the holes in the tree while 14 of us stood in a half circle not more than 18 feet away. Next, within 18