Dendroica castanea. Lake Umbagog, New England. Nest /5 (2877), June 7, 1896, coll.Wm.Brewster. Female seen to enter and settle on nest several times. Seen distinctly & positively identified. Eggs perfectly fresh. Mason knoll, Pine Pt. Nest in balsam (10 in.diam but), 20 ft.fr.ground, 20 ft. fr.top, 5 ft.fr.stem, near branch end, not hidden, except slightly at sides. Female would not leave till br.shaken; flew off, joined by male, who had singing station in hemlock 30 yds.off. Nest /6 (2884), June II, 1896, coll.Wm.Brewster. Male singing within 30 yds., no other Warbler within hearing. Female started from nest but not well seen or fully identified. Eggs fresh. Chase's camp, Glaspy Cove. Nest in blk.spruce (10 in.diam. at but) 35 ft.above ground, 15 ft.fr.top, 12 ft.fr.trunk, within 2 ft.end horizontal branch, open above, seen fr.every side below. Tree among old yellow birches on high land near Chase's camp. Nest taken by stringing a rope fr.2 other trees. Nest /5 (3048), June 12, 1897, coll.Wm.Brewster. Female seen on nest and positively identified. Eggs fresh. S.end Great Island on low ridge 20 yds.from Lake, in tall straight balsam, 25 ft.fr.ground, on slender, horizontal, branch, 3 ft.fr.tip, 8 ft. fr.trunk. Nest conspicuous from beneath. Found and taken by Watrous but I assisted & saw & identified the bird. (Cf.systematic notes & journal for further details).