Aquila chrysaëtos. Lake Umbagog, Maine. 1897. The "Ring-tailed" Eagle after its exploit with the Ducks was harassed incessantly for several minutes by an Osprey which attacked it precisely as a Kingbird does a Crow keeping over and darting down at it from above. Every time the Os- prey approached it within less than six or eight feet the Ea- gle would turn, back downwards and thrust up both its feet with all the talons extended evidently trying to grasp it. This evolution, which I witnessed at least half-a-dozen times was performed so quickly that it was difficult to follow with the eye but for a fraction of a second the upstretched legs and wide-spread talons were distinctly outlined against the sky. Probably the bird turned over and back again in half a second or less. It did this without apparent exertion and without perceptibly falling. Both birds at the time were over the middle of the pond at a height of perhaps 400 feet and some two hundred yards from my post of observation. Everything that I have seen to-day confirms my previous impression that the Golden-Eagle is in every way a more spir- itd, energetic and dashing bird than the Bald-headed Eagle. It evidently spends much more of its time on the wing, hunts more over woods and mountain tops and covers more ground. Its flight is firmer, swifter and more buoyant and graceful, the wings are held flatter and do not bend up at the tip or "lop" at the elbow. I also think that it habitually soars more and