Dendroica blackburniae. Lake Umbagog, New England. Nest /4 (2866), June 2, I896, coll.Wm.Brewster. Female watched to nest and started from nest. Eggs perfectly fresh. Mason knoll, Pine Pt. Ht.35 ft.lateral branch slender young blk. touching spruce, 5 ft.fr.stem, IO fr.top, bottom scarce^branch; hidden above & sides by spruce br., easily seen below. No moss in nest. On shaking tree female left nest. Male sang 30 - 50 yds.off. Eggs dull white; greenish, blown. Nest /4 (2874), June 6, I896, coll.Wm.Brewster. Female started from nest and seen to return to it. Seen within I5 feet & positively identified. Eggs fresh. Mason knoll, Pine Pt.(Pho.in situ). Nest on horizon. br.young blk.spruce, 20 ft.fr.ground, I5 fr.top, IO fr.stem, near br.tip. In hollow shade hemlocks,etc. Female sat very closely till branch shaken when she fell at my feet, spread tail, quivering wings like Ground Warbler with young. Nest /4 (3058), June I7, I897, coll.Clarence H.Watrous. "Female seen on nest and both birds seen flying about." The male singing near on the I4th. Eggs fresh. On Pine Point in Red Spruce near the extremity of a lateral branch 8 ft. fr. trunk, 20 ft. fr. top of tree & 20 ft. above the ground. I saw and pho-to graphed this nest in situ June I4 when it held two eggs. W.B.