Falco columbarius. Lake Umbagog, Maine. 1885 Sept. 19 A Pigeon Hawk chased a Flicker a few rods circlingly in play, then turned & flew back to a tall stub uttering a rapid, clattering cry like kla- kla- kla- kla kla, its behavior & cry were both almost precisely like those of the Sparrow Hawk but I settled the birds identity by shooting it. It fell wounded nothing as it came down, a peculiar shrill twitter exactly like that of Accipiter fusces when wounded. I saw another Pigeon Hawk yesterday & Mr Kelley shot one on the 15th. This species flerts its tail when pushed like A. fusces but less Lake Umbagog, Maine. 1885 Oct 10 Saw four to-day, one yesterday all ♂♂. On both days there has been an amazingly heavy flight of Robins, Sparrows, Thrushes & Vultures. Yesterday saw a Pigeon Hawk dash into a flock of about 100 Vultures, singing out and separating it from the flock. It pursued it about 50 or yards away above it and swooping down on it at least 20 times in quick succession but missing every shot although several times I thought it had caught the Vulture Bird. The latter finally escaped into