116 



123. [559] Spizella monticola (Gmel. ). Tree Sparrow.* 



Abundant winter resident. October 12 to April 19. The song is often 

 lieard in spring: March 1 and 5, 1902, and March 9 and 17, 1903.- 



MIGBATIOX EECOED. 



12i. [560] Sj'izeJla socialis (Wils.). Chipping Sparrow.* Fig. 18. 



Abundant summer resident. March 16 to November 9. 



Song March IT, 1903; March 26, 1902. Mating March 27, 1903. Nest 

 found April 28, 1899 (N. B. M.); nest and four eggs May 2, 1903 (C. G. L.). 

 Nearly full grown young seen with -mother and being fed by her May 29. 

 1903. There is a nest in the collection of the University which is composed 

 of soft vegetable fibers or rootlets without a trace of horsehair. 



