266 U. S. p. E. E. EXP. AND SUEVEYS — ZOOLOGY — GENEEAL EEPOET. 



F. Throat immaculate yellow, cut off from the belly hy a series of pectoral streaks. The 

 sides streaked. 



Above olive green ; beneath yellow. Crissum and belly -whitish ; two dull white bands 

 and white edgings on the wings. Pectoral and lateral streaks very faint, the former, 

 perhaps, wanting... „. D. pinus. 



Above uniform olive green ; forehead and beneath all yellow, deepest on the throat. Two 

 white bands on the wings. Breast and belly distinctly streaked with dusky. Two 

 outer tail feathers white from the terminal half of inner web D. moniana. 



Yellow, without any white ; the back olivaceous ; the ventral streaks (and sometimes a 

 tinge on the top of head) brownish red D. aestiva. 



Crown uniform blue ; rump yellow ; back and sides of head black ; white spots on the 

 central thii-d of the tail ; large white patch on the wing ; inferior streaks large, black ; 

 crissum white D. maculosa. 



Wing scarcely longer than tail. Above blue, streaked with black ; inferior streaks black, 

 small, especially across the breast ; sides of head black ; white tail patch at the end of 

 the tail ; crissum white..., D. Itirtlandii, 



Wing scarcely longer than tail; crown, sides of head, and inferior streaks rufous ; rump 

 greenish yellow ; white spot on the end of the tail. A superciliary streak and whole 

 under parts, including crissum, yellow D. palmarum. 



Bill acute and decurved ; olive above, rump and beneath yellow ; crown blackish ; sides 

 of head chestnut ; breast witn narrow streak of black ; wings longer than tail. 



D. tigrina. 



G. Throat immaculate yellow, not separated from the belly by pectoral bands or streaks ; 

 sides streaked with black. 



Olive green above and on the sides of body, spotted with black ; rump and tail lighter ; 



beneath dull yellowish, including a line from the lore over the eye ; top of head black ; 



a band on wing and the edge of tail whitish Z>. carbonata. 



Belly white ; a yellow superciliary stripe changing behind to white ; crown and sides of 



head and neck black ; back uniform slate D. superciliosa. 



Belly and throat uniform yellow ; above olivaceous, the back streaked with red ; a yellow 



superciliary stripe, and a V-shaped black mark on the sides of the head D. discolor. 



As a further analysis of the colors of the species it may be stated, that Section is the only 

 one with a central patch of yellow on the crown ; Sections A and B have the throat black ; F 

 and C in part have it white. It is chestnut brown in D ; orange red in in part ; yellow with 

 streaks on the breast in F, and yellow without streaks in Gr. The entire under parts, excepting 

 perhaps the crissum, are yellow in members of F and G-. 



