in it, probably a branch of a tree, for he stopped and looked at it curiously, then gazed into it, but at such an angle that it is doubt- ful if he saw any portion of himself. He then wiped his bill care- fully along the inner edge of the frame. If he was looking along his bill he must have seen at least a reflection of its tip, but nothing whatever happened. I got the impression that, in the horizon- tal position, the mirror might appear to him merely as a pool of water, and therefore nothing to be wonder at , even if his own re- fection did show in it to a certain extent. This experiment will be repeated. Oct.29th. Not much early song, but Brownie , later in the forenoon, started his undersong and kept it up almost without cessation until his bed- time. Even when he saw Rhody apparently stalking him, he continued. The relations of these two birds are curious. Rhody is plainly in- terested in Brownie and will steal up to him silently from a distance, as much as 50 feet, stopping frequently and appearing to listen to the song. B will tolerate him within about 6 feet and will not move away, if Rhody stops there as he usually does, and continue his color. If Rhody makes a rush at him, which he occasionally does in a not very convincing manner, B simply moves off a little and R stops. B continues his song. When R goes off a few feet and sits quietly, only moving his head (a thing which he does frequently a half hour or more at a time) B seems to regard him as a part of the landscape and moves about without appearing to see Rhody at all, but it is noted that he does not go closer, intentionally, than about 6 feet. This afternoon about 3 o'clock, Rhody stole quietly into the glade where B was singing on the ground. There were also quail, wren tits, the two kinds of towhees in and out and on the bushes and flickers up in the old oak part of the time. None of these birds appeared to regard R as especially dangerous, though somewhat shy of him. A