Aix galericulata, March 18, 1909. For several months past these birds have shown considerable desire to get away along about dusk, making quite a clucking, running back and forth along the edge of the pond, and occasionally flying against the wire. Billy and Lily delight in bathing. It is then that the crest is put to practical use, for it when the bird ducks its head the crest catches the water and throws it over the back when the head is raised. Very often both will dive under the surface and swim around the pond, suddenly to emerge and dash off wildly to the other end of the yard, and perhaps they will repeat the performance. They do this particularly when the water is fresh. These ducks as well as the Green-winged Teal lie in the shade on sunny days. September 19, 1909. It is strange that they moult whole patches of feathers at one time. I noticed this last year. September 26, 1909. The drake Mandarin shows new flank feathers. The