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Dendroica Canadensis.:— Baird. 
Black-throated Biue Warbler. 
It is very common in the Spring, in Maine, and 
also in Iowa, where it breeds. I have never 
found the nest, except in Iowa. Eggs four in 
number. 
Dendrowa Coronatz.— Gray. 
Yellow-rump Warbler. 
It is very common throughout the country. It 
breeds in New Jersey and as far west as Iowa. 
Eggs four to five in number. 
Dendroica Blackburnie.—Baird. 
Blackburnian Warbler. 
It is very common in some seasons. I have 
found it very plenty in New Jersey, and very 
scarce in lowa. Eggs four to five in number. 
Dendroica Castanea.— Baird. 
Bay-breasted Warbler. 
I have seen this bird very abundant some 
seasons, and at other times could not procure 
one. It is very rare in lowa. 
Dendroica Pinus —Baird. 
Pine-creeping Warbler. 
It is very abundant in New Jersey, and is found 
feeding on pine trees in the Spring. I have 
found it very common in Virginia, and also in 
Towa in the Spring of 1875. 
