.166 



dividuals were seen doing the same thing, and another was heard singing. 

 The song reminds one of nothing more plainly, than of the softer, less 

 ambitious efforts of a canary. It is varied with little chirps and chtick 

 and chin- notes. 



The bulk left May 2. 1885 (C. H. B.). 



MIGBATION RECORD. 



208. [751] Polioptila ccemlea (Linn. ). Blue-gray Guatcatcher.* Figs. 27-8. 



Common summer resident. April 5 to September 12. 



Song and mating April 12, 1903. A nest containing one egg of a 

 Cowbird was found April 22, 1880 (B. W. B.), This was ten days after 

 their arrival. Three days after they arrived in 1902 Gnatcatchers were 

 seen nestbuilding (April 24); the nest was half-finished on the 27th. In 

 1903 no completed nest was found until the 27th of April, which was 20 

 days after their arrival. On May 26, 1903, a nest and four well-incubated 

 eggs were found. The nest was saddled on a limb of a small elm, about 

 fourteen feet from the ground (0. G. L.). W. S. Blatehley (1888), in 

 "The Audubon Magazine," describes a two-story nest of the Blue-gray 

 Gnatcatcher. taken near Bloomington. A Cowbird had deposited an egg 



