ORNITHOLOGY Esa 



OOLOGY- 

 EDITOR fir PUBLISHER 



.HA?" ooocc 



1 SURBER. 



<W»<Vf.(,. CMmiWT. Sy 



Vol. T. 



AUGUST, 1889. 



No. 8. 



Written for the Loon. 

 Nesting of the Black-Throated Blue Warbler. 



This species (the " Dendroica Cserulescens") is, perhaps, dur- 

 ing the summer season generally distributed through the dry, 

 hard-wood timbered tracts of Ontario, but from the facts that 

 it does not arrive here till the trees are a sunning their sum- 

 mer foliage, and the bird itself generally keeps pretty high 

 among the branches of the wild woods where it makes its sum- 

 mer home, and there being but few in the rural districts who 

 make study of Ornithology a recreation^, this species, its nest 

 and eggs are but little known. Yet a few descriptions of its 

 nidifications have appeared in some Ornithological magazines. 

 I first became certain of the identity of this bird in certain 

 woods in this locality some four or five years ago, and now, 

 year after year, I expect its arrival at the same time as the 

 Wood Fly-Catchers and the Vireos, but I had no knowledge of 

 its nesting habits until three years ago, when I discovered two 

 of its nests. Some account of these have been published in 

 the pages of the " Ornithologist and Oologist." Another nest, 

 which I found and collected the present season, I will now at- 



