BLUE-GRAY GNATCATCHER 193 



his exquisite song, both in the spring and in 

 the autumn. 



On several occasions in the autumn 

 Ruby-crowned Kinglets have come to the 

 Garden. One visitant in song was present 

 on October 16, 1902; one in song on Octo- 

 ber 20, 1903 ; one also in song on October 

 22 and 23, 1906; and in 1908 one on Octo- 

 ber 14, followed by two on October 20, one 

 on October 22 and 23, and finally one on 

 November 5. 



108. Blue-gray Gnatcatcher 



Polioptila cmrulea 



In the early morning of October 22, 1904, 

 upon entering the Garden on the northerly 

 side the frequently repeated calls of a small 

 bird not familiar to the ear attracted in- 

 stant notice and led me to a beech tree from 

 which they proceeded. Here a little bird 

 as active as a kinglet, or even more active, 

 was flitting among the boughs and proved 

 upon examination to be a Blue-gray Gnat- 

 catcher, a bird very rare within the bounds 

 of Massachusetts. It had as companions 



