134 BIRDS OF THE PUBLIC GARDEN 



trees which stand around the pond and on 

 the island. One female bird was also present 

 at the time. Only one of the males was 

 seen the following day. There had already 

 been a visit from two male birds and one 

 female on May i8. On one other occasion, 

 May 19, 1906, two male birds were present 

 together. In other cases one bird alone has 

 been present. 



On May 23, 1904, a Tanager in song 

 proved to be in orange plumage of oriole 

 color, and might in respect of coloring easily 

 have been mistaken for a Baltimore oriole. 

 The song, however, had already identified 

 him. It was an interesting instance of the 

 variation in plumage from the normal color 

 of the males of this species, which one may 

 occasionally note. 



The earliest appearance of the Tanager 

 was on May 16, 1905 ; the latest records of 

 one being present have been of a male bird 

 in song on May 26, 1906, and on May 27, 

 1908. Therefore the period of migration 

 through the Garden during the nine years 

 of observation has been within a period of 



