266 U. S. p. R. R, EXP. AND SURVEYS — ZOOLOGY — GENERAL REPORT. 



F. Throat immaculate j^ellow, cut off from the belly by 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. pimis. 



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. montana. 



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

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



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

 central third 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. hirtlandii. 



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 witti 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 D. 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 C 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 C in part ; yellow with 

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

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



