116 



123. [559] Siji:ella monficola (Gniel.). Tree Sparrow.* 



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

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



MIGKATIO^" RECORD. 



12-1. [560] S jiizella socialis (Wils.). Chipping Sparrow.* Fig. 18. 



Abundant sumroer resident. March IG to November 9. 



Song March 17, 1903; March 26, 1902. Mating March 27, 1903. Nest 

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

 Nearly full grown young seen witli mother and being fed by her May 20. 

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

 of soft vegetable fibers or rootlets witliout a trace of horsehair. 



