Bubo virginianus. Lake Umbagog, Maine. 1897. that it was given. It was the only sound that either of them Sept. 7. made. (No. 2). Most of the time they sat very erect and quite motionless save for the slow, up-and-down, bobbing motion of the head common to most Owls. This was repeated every half minute or less. Occasionally one or the other would crouch on his perch and direct his gaze downward as if watching for a mouse in the marsh beneath. I repeatedly saw them swoop down a steep in- cline and heard them strike with a crash among the bushes or dry brush or with a splash in shallow water, but whether or not they captured any prey I could not see. Once, to my great surprise, one of them flew off 20 or 30 yards from the top of a stub and then mounting nearly straight upwards about the same number of feet, beating its wings steadily and rapidly during the ascent, turned sharply downward again and scaled back to its perch. The whole evolution was so exactly like that of a Flycatcher that neither Will nor I doubted for a moment that the Owl actually tried for, and probably caught, some flying insect, no doubt a large beetle (I have found bee- tles in the stomachs of Great Horned Owls). It must have used its mouth alone for the feet were not extended or even shown during the flight. During ordinary, level flight they were often visible and sometimes hung down nearly to the full