128 



In 1894 E. M. Kindle remarked upon the absence of this bird from 

 Brown County while it was common in this, the adjoining county. 

 During the last spring (1903) the Summer Redbird was common also 

 in Brown County. 



139. [611] Progne subis (Linn.). Purple Martin.* 



Common summer resident. March 28 to September 10. 



MIGRATION EECORD. 



There are only two large ponds in the region, and as the Swallows 

 are seen at these places for a long time before they are in any other 

 part of the country it is easy to record their migration. 



One of the peculiarities of their migration is the arrival at the same 

 time of all or several of the species. On one day we can find no 

 Swallows at all; on the next, perhaps, all, from the Martin to the 

 little Bank Swallows, will be present about our ponds. Four of the 

 species came on the same day in 1885, and three on the same day 

 in 1902 and 1903. After their arrival they are augmented in numbers 

 at the same time, or they leave, or arrive again in full strength. Thus 

 on four days in April, 1903 the 10th, 13th, 19th and 30th large mixed 

 flocks were observed, when all or nearly all of the species had been 



