240 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



158 (1869) ; Gray Hand-1. B. III. p. 20, no. 10,053(1871) ; Scl. & 

 Salv. P. Z. S. 1879, p. 641 (Bolivia). 



GENERAL DESCRIPTION. 

 Size. Total length, about 11.5 inches. 

 Wing, 7.3 inches. 

 Oilmen, 0.85 inch. 

 Tail, 2.75 inches. 

 Tarsus, i.i inches. 



Color. General color above, deep umber, each feather vermiculated 

 with grey, silvery in character, and cinnamon and rusty. The vermicu- 

 lations follow the outline of each feather and are transverse at the ends 



of the feathers and marginal on the 

 FIG. 137. sides of the vanes. Below, the pre- 



vailing color is warm cinnamon ; each 

 feather fringed with silvery grey and 

 marked with two or more umber bands 

 following the outline of the feather. 



Head. Forehead, occiput and crown 

 deep umber, each feather fringed with 

 silvery grey and marked with cinnamon 



Attagis gayi. Head. ' Natural size. P. in lines following the shape of the 



U. O. C. 7918. Adult male. feather. The lores and the region back 



of each eye lighter, defining the crown ; 

 the auriculars dusky, with cinnamon and grey hues. 



Neck: Above as in the general description. Below, on the lower 

 neck, the cinnamon is much concealed by the defined subterminal bars of 

 umber on each feather. The throat much paler cinnamon or dull cream, 

 each feather spotted with deep umber. 



Back : As described in general color and pattern. 



Tail : Feathers dusky in ground color, with decorations similar to 

 those on the feathers of the back. 



Wings : Upper coverts and scapulars like the back in color and pat- 

 tern. Bastard wing and primary coverts blackish, with sandy rufous mar- 

 gins. Quills light brownish, blackish on the outer web and at the tips of 

 the primaries, which are fringed with white. 



