Hylocichla ustulata swainsoni. Lake Umbagog, Maine. 1876, June 18. Nest with four eggs. “ 3. Harrington found a last year's nest containing two eggs faded and stained almost beyond recognition and their contents dried up, but perfectly whole. “ 17. Nest in spruce eight feet above ground; female sitting on four eggs. “ 18. Two nests with four eggs, one with three. “ 21. A nest with three eggs incubated about five or six days. “ 22. A female sitting on a nest which contained only one egg. On the 18th she was sitting on the empty nest; on both occasions she sat very closely. “ 23. Purdie took three sets of eggs to-day. 1879, May 24. In full song about the lake shores this evening. June 11. Three sets; three, three, and two eggs respectively; all fresh, or nearly so. One nest near the extremity of a drooping fir branch about eight feet from the ground; the other two in small firs against the main stem; the height of one ten feet, of the other fifteen feet. Two of the birds were sitting, and neither started until the branch was forcibly shaken, when they glided down into the tangle of fallen tree-tops beneath and disappeared in silence. All three nests in the swampy woods bordering Cambridge River. “ 12. Set of four fresh eggs; nest in fir shrub near roadside, against the main stem; height five feet. Female sitting; she slid off when I was within about twenty feet. “ 13. Set of three fresh eggs. Nest in young spruce about four feet above ground. “ 17. Set X-3. -- Fresh. Nest in fir sapling near the top. Height about fifteen feet. Female absent but as I climbed the tree she came about, making an unusual fuss. “ 18. Set Y-3. -- Fresh. Nest in fir sapling.