MNIOTILTID.E. CLXXIII. 301 



Wing bars yellow and belly pure white pennsylvanica, 974. 



Wing bars white and tail spots oblique, at end of 2 (rarely 3) outer feathers 



only vigors!, 980. 



Wing bars brownish ; tail spots square at end of two outer feathers only. 



palmarum, 983. 



Wing bars not conspicuous; whole under parts yellow; back with no greenish. 



kirtlandi, 981. 



Tail spots at end of nearly all the feathers, and no definite yellow anywhere. 



ccerulea, 973. 

 Tail spots at middle of nearly all the feathers ; rump and belly yellow. 



maculosa, 972. 

 Rump, sides of breast (usually) and crown with yellow; throat white. 



coronata, 971. 



Throat definitely yellow; belly white; back with no greenish, dominica, 977. 

 Throat yellow or orange ; crown with at least a trace of a central yellow or 

 orange spot, and outer tail feather white-edged externally. 



blackburnice, 978. 



Throat, breast and sides black, or with black traces (seen on parting the 

 feathers); sides of head with diffuse yellow; outer tail feather white- 

 edged externally virens, 979. 



Bill acute, perceptibly curved ; rump usually yellow tigrina, 968. 



With none of the foregoing special marks; crissum buffy. . castanea, 975. 

 Crissum white striata, 976. 



a. Bill very acute, the tip appreciably decurved, terminal half of tongue with 

 its edges folded over upon the upper surface, the tip deeply cleft and 

 fringed. (Perissoglossa Baird.) 



968. D. tigrina (Gmelin). CAPE MAY WARBLER. Olivaceous 

 above with black streaks ; rump and sides of neck bright yellow ; 

 yellow below, much streaked with black ; crown mostly black ; ear 

 coverts orange brown ; a white wing patch ; 9 duller, with no black 

 or reddish about head. L. 5}. W. 2f . T. 2. E. U. S. A fine spe- 

 cies with a peculiar structure of the tongue, which is somewhat as 

 in the Honey Creepers (Ccerebidce) of the Tropics. 



aa. Bill not very acute nor distinctly decurved at tip ; tongue gradually taper- 

 ing to the slightly cleft and fringed tip, (Dendroica.) 

 b. Tail feathers without white, the inner web yellow. 



969. D. aestiva (Gmelin). SUMMER WARBLER. GOLDEN 

 WARBLER. Chiefly golden yellow ; breast and sides with orange 

 brown streaks ; quills dusky, edged with yellow ; 9 similar, the 

 brown streaks obsolete. L. 5. W. 2 J. T. 2 J. America ; every- 

 where abundant. (Lat., summer.) 



bb. Tail feathers blotched with white. 

 c. A white spot on some of the primary quills, near their bases. 



970. D. caerulescens (L.). BLACK-THROATED BLUE WAR- 

 BLER. Rich gray blue, with a few black streaks on back ; throat, 

 sides of head, neck and sides of body black, otherwise pure white 

 below ; quills black, edged with blue ; 9 dull olive greenish, ob- 



