318 PATAGONIAN EXPEDITIONS: ZOOLOGY 



Total length, 7 inches. 



Wing, 4.75 inches. 



Culmen, 1.05 inch. 



Tail, 1.8 inch. 



Tarsus, 0.9 inch. 



The female does not differ appreciably in size from the male. 



Color. Adult male breeding (cited). General color above mottled 

 light rusty red, and blackish, the feathers with white edges and fringes. 

 Below foreparts rusty red speckled with dusky ; remainder lower parts 

 immaculate white. 



Head : Crown deep rusty with blackish centers to the feathers ; sides 

 of the face bright light rufous speckled with dusky. 



Neck: Above much like the crown, on the sides and below bright 

 light rufous speckled with dusky. 



Back : Mottled black and rusty rufous, the centers of the feathers being 

 blackish, their edges rusty, and frequently fringed with whitish. The rump 

 more ashy, less rusty and more white edging to the feathers. Medium, 

 upper tail coverts dusky with rusty and greyish edging. Lateral upper 

 tail coverts pure white. 



Tail : Central rectrices ashy grey, darkest toward their tips, with light 

 shafts and pale margins. Remainder of rectrices lighter, whitening on 

 their inner webs, margined with white externally and with pure white 

 shafts. 



Wings : Scapulars, innermost secondaries and upper wing coverts, 

 mottled like the back, rusty and black with whitish edgings. The greater 

 coverts broadly tipped with white, forming a conspicuous wing band. 

 Primaries dusky blackish on the exposed surfaces, paling on their inner 

 bases and with the bases broadly white. The shafts of the primaries ivory 

 white. Secondaries, except the innermost ones much like the primaries 

 but with a gradual darkening of the shafts. 



Lower parts : Chin, throat, under neck and breast rusty red dotted 

 with dusky ; this region color being continuous with the like color of the 

 face and sides of the neck. The rest of the lower parts, including the 

 under wing coverts, axillaries and under tail coverts pure white. 



Bill, greenish black. 



Legs and feet, greenish black. 



Iris, brown. 



