134 NESTS AND EGGS OF BIIiDS. 



only migratory, since it winters in Central America, and spends its 

 midsummer north of our limits. 



Maynard, in his Catalogue of the Birds of Coos county, N. H. 

 and Oxford county, Me. (Proc. Bos. Soc. Nat. Hist., XIV, Oct. 

 1 8, 1871), gave us about the first information upon the nidification 

 of this handsome bay-breasted warbler. In concert with Mr. 

 William Brewster, he took three nests at Lake Unbagog, Me., each 

 of which was placed on the horizontal branch of a hemlock-tree, 

 fifteen or twenty feet from the ground, — one beside a cart-path, 

 the other on the side of a densely wooded hill. One nest was 

 completed June 3 and three fresh eggs were taken from it June 8. 

 These nests seemed large for the size of the bird, resembling those 

 of the purple finch. They were built of fine dead larch twigs, 

 mixed in one instance with long tree-moss, in another with a few 

 grass-stems, and smoothly lined with black fibrous rootlets, some 

 moss and rabbit's hair. External diameter 5 J to 6 inches, internal 

 2^ to 3 ; depth outside 2^ to 3, the cavity i|^ to i^ inches ; they 

 differed in shape, the broader nest being the shallower one. One 

 contained three eggs, the other two : the five ranged from .65 to 

 .71 long by .50 to .53 broad. The ground color was varying 

 greenish white, more or less thickly speckled with dark brown all 

 over, the markings becoming confluent, or nearly so, at or around 

 the larger end, where the brown was mixed with some lavender 

 markings. They resemble those of the yellow and pine-creeping 

 warblers. Mr. Deane found another nest, also in a hemlock, but 

 higher than the former. It contained s/x eggs. 



83. THE CHESTNUT-SIDED WARBLER. 



DENDRCECA PENNSYLVANICUM iLinn.) Baird. 



This pretty warbler seems to be increasing in numbers over all 

 of the eastern United States beyond the northern limits of which 

 it passes only a little way. It breeds from New Jersey northward 

 to the Canadian border, and westward to Iowa ; the most southern 

 reference I can find is White Sulphur Springs, Virginia, which is 



