Wilsonia canadensis. Maine (Lake Umbagog). color 1 1871. May 30- June 10. Generally distributed throughout the woods but no where very common; the females were evidently laying at the time of our departure. 1874. Aug. 3. Shot a young bird just from the nest. " 13. One of the few birds singing in the woods. " 29. Shot an adult male in fall plumage which is much more beautiful than that of spring. He was in full song. 1876. color 2 June 18. A nest exquisitely concealed in a hole in the side of a steep mossy bank. The hole extending in about six inches and the entire nest over-arched by intensely green moss. Female sitting on four fresh eggs, she flew from the nest when we were within about three yards of her. Locality a moss-carpeted glade shaded by one two large trees and in the heart of the woods. 1879. May 24. A single male singing. June 18. Set B-4. Incubated about eight days. Nest in a cavity excavated in a vertical wall of green moss growing on the face of the ledge and shaded by heavy timber. The female came about chirping sharply. The shell of the eggs were very hard. " 20 30. Set C-5. On the point of hatching. Nest in green moss adhering to the vertical face of a root about four feet in diameter. I noticed the entrance hole, and looking in spied the female sitting. I stood within two feet of her for sometime; then she glided out, running over the ground with trailing wings and spread tail. For a while she was silent, returning occasionally to peer at me anxiously, then retiring among the leaves. Finally she began to chirp sharply. The male did not appear. 1880. May 19. Two males. The first. 1881. May 21. Saw one.