1887, 
September 15. 
Dendroica caerulescens . 
Lake Umbagog. 
In full song. 
In the woods by the roadside (on a drive through Upton 
over the Swift Cambridge) I heard in the early morning a Dendroica 
caer ul escens sing as loudly and perfectly as in spring. Later I 
also heard a Vireo solitarius singing steadily. 
Si 
