122 THE BIRDS OF 



Purple Finch; January-December. 



Redpoll; December-March. 



Goldfinch; February-November. 



Pine Siskin; October-May. 



Vesper Sparrow; March-November. 



Grasshopper Sparrow; May-Octo- 

 ber. 



White-crowned Sparrow; October- 

 May. 



White-throated Sparrow; September- 

 May. 



Tree Sparrow; October-March. 



Chipping Sparrow; March-Novem- 

 ber. 



Field Sparrow; March-November. 



Junco ; September-May. 



Song Sparrow; January-December. 



Lincoln's Sparrow; May. 



Swamp Sparrow; April-November. 



Fox Sparrow; March, April, October- 

 December. 



Towhee; April-October. 



