Sitta canadensis. I. Umbagog, Maine. 9. Sitta canadensis.- Rather common. May 30 - June 10, 1871. Sitta canadensis.- Common but not numerous. June, 1872. Sitta canadensis. a. Sept. 22 1873. Sitta can. Aug 25-1st in full pl. Oct - 31 st - Sept. 2.-7.-1874 / May 19 mtt / Oct 9, 13-21 1880 1882 Sitta canadensis Oct. 18 °° 1884 Sitta canadensis 1885. Oct, 9⁻- 10⁻- 11⁺- 12⁺- 13⁺- 14⁺- 16 ⁺- 17 ⁺- 18 ⁺- 19 ⁺- 21 ⁺- 22 ⁺- 23, 24 25⁺ 26⁺ 27⁺ Sitta canadensis Oct. 13 ⁺- 18 ⁺- 19 ⁺- 22 ⁺- 23 ⁺ 1886. Sitta can, 1²- 2 ³- 6 ⁺- 10 ⁺- 15 ⁺- 20 ⁺- 24 ⁺- 26 ⁺- 28 ⁺ Sept. 1887. Sitta canadensis 10. copy D Oct. 17 - 31, 1853 I. Umbagog - Maine during the period indicated about their migrations have literally swarmed. I noticed no diminution in their numbers up to the date of my departure (Oct. 31). They were especially abundant about the leaks from this habits & notes differ not a particle from those in Spring. Their whining cries are more conspicuous in the autumnal alone, however. It is a significant fact. (over) 58