Parus hudsonicus. Maine (Lake Umbagog). copy ① 1872. June 3- 14. Rather numerous in a belt of firs and spruces bor- dering the Lake. Specimens were taken which, from the softness of the skull etc., we judged to be young birds three or four months old. Others, evidently adults, were apparently about to breed. The young were met with in parties of six or eight, frequently accompanied by a pair of P. atricapillus. They kept invariably in the thickest spruces and firs, usually near the tops of the trees. In motion they resembled P. atricapillus but were rather less animated and active. They were ordinary ly silent and hard to find. What I took to be the song of the male was a sharp cho-day, day very different from any note of the Common Chickadee. The ordinary chirp of the two species is similar. 1873. July 27. I hear them frequently about the house and in the garden. Aug. 12. In the larch and spruce woods on the Cambridge Ri- ver above the dam, these Titmice were abundant to-day. copy ② " 14. Abundant in the larch and spruce woods bordering the bank of the Cambridge River above the dam. " 23. On Cambridge River above the dam it is quite as num- erous, now, as is the Black-cap Chickadee. " 25. I am nearly sure this species utters the te-derry whistle of the Common Chickadee and also the che-dle-doo, both in a slightly altered tone. Sept. 8. This species is abundant around the shores of Rich- ardson Lake. " 22. Shot two in the woods on Cambridge River. None of the notes of this species resemble those of the Chicka- dee. The ordinary chirp is much louder and more petulent; Another note frequently heard is a sharp chip, choo-choo, choo sometimes precluded by a sharp cho-chit or choo-chit- chit. These notes are the only ones that I have heard. The bird, however, will sometimes give them all in rapid succession in a sort of sputtering song. This Titmouse is, on the whole, a more silent and less animated bird than the Chickadee. It keeps almost entirely to the firs and spruces, usually rather high up. Its flight is heavier, and clumsier than that of the common species. As a rule it does not associate freely with Parus atri- capillus, although the two are often found near one ano- ther." copy ③ 84