AMERICAN AVARliLERS. 21) 



The breeding range is from the Middle States, west of 

 the Alleghanies northward to Minnesota in the west, and 

 to Pennsylvania and New York in the east, straeelers 

 occasionally reaching Rhode Island and Connecticut at 

 this season. 



CHESTNUT-SrOEl) WAKBLEK. 



Deiulroioa peniisylvaiiica. 



Plate III, Fig. 3, male : Fif,^ 4, female. 



Size 5.00 to 5.25. White beneath, with sides broad- 

 ly streaked with chestnut. Top of head, clear yellow. 

 Back, greenish, streaked with black. Wing bands, greenish. 

 Common, summer resident throuQ-hout New EuQ-land. 



Male. Greenish above, broadly streaked on back with black. ^Vinf^ 

 bands greenish. Spots on three outer tail feathers, of the form given in Fig. 

 26, A. White beneath, and on sides of head, broadly streaked on sides 

 with chestnut. There is a triangular patch of black in front of eye, ex- 

 tending down on neck, and a line of the same color extending from this 

 over the eye. Crown, yellow. 



Female. Green above, with black markings duller or absent. The 

 chestnut is confined to the sides of the breast, or is absent. 



Young. In males there is little or no black above, and little chest- 

 nut beneath. Females are often greenish above and white beneath with 

 no markings, but the wing bands are always greenish. 



Dimensions. Length, 5.10; stretch, 8.10: wing, 2.45; tail. 1.95: 

 bill, ..'58 : tarsus, .75. 



Comparisons. Known in the adult stage by the chestnut sides and 

 yellow crown. In all other stages, by the greenish upper parts, white un- 

 der portions, and greenish wing bands. 



Nests and Eggs. Nests placed in bushes, composed of the hempen 

 fibers of plants, fern moss, weed stalks, etc., lined with finer material. 

 Eggs, four or five, white, spotted and blotched with brown of varving 

 shades and lilac. Dimensions, .60 by .45. 



General Habits. In Massachusetts, the Chestnut- 

 sided Warbler is usually found in summer, in swampy 



