694 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Back: Chocolate-brown, barred with subterminal white bars which are 

 conspicuous, and with deep buff bars more or less concealed ; the rump 

 and upper tail-coverts show the buff bars not hidden as on the interscap- 

 ular region. 



Fig. 354. 



Strix rufipes. Adult male, P. U. O. C. 7881. Details of head. Natural size. 



Tail : From above, chocolate-brown, with a terminal white band, and 

 crossed by eight deep bars of buff half as wide as the brown intervals ; 

 from below, silvery grey, the buffy bars being isabelline and the brown 

 intervals deep ash. 



Wings : Primaries deep chocolate-brown ; the outer webs with quadrate 

 brown spots interrupted with buff bars on the first and the inner quills, the 

 second, third, fourth and fifth with most of the barring distinctly white ; 

 the secondaries barred brown and buff, with little or no indication of white ; 

 the median and greater series of upper wing-coverts very distinctly barred 

 with buff and notched with white on their external webs ; the lesser upper 

 wing-coverts with the barring quite obsolete ; the primary coverts clear 

 uniform chocolate-brown, making a spot ; lower wing-coverts yellowish, 

 barred obscurely with dusky ; axillaries the same shade, but distinctly 

 barred. 



Lower parts : Breast and chest barred narrowly and evenly brown and 

 white, the white bars being subterminal and there are two white bars and 



