AVES ANATID^. 5^3 



Feet : The legs and feet brownish black, with yellow shading. 

 Adult female : 8994, P. U. O. C. Province of Buenos Aires, Argen- 

 tina, October, 1897. From the Museo de La Plata, original number 42. 



Fig. 240. Fig. 250. 



f 



Erismatura vittata. Adult female. P. U. Erismatura viitata. Adult female. P. U. 



O. C. 8994. Profile of head and neck show- O. C. 8994. Head and bill from above. Re- 

 ing color pattern. Reduced. duced. 



Head : A cap or hood reaching down over the eyes and to the occiput, 

 deep seal-brown, each feather tipped with chestnut-cinnamon ; an isabelline 

 band of a quarter of an inch in width bounds the cap and becomes nar- 

 rower after passing below the eye almost joining on the occiput ; a 

 broader band of seal-brown, with cinnamon tips to the feathers, bounds 

 this below, crossing the sides of the face and cheeks. 



Neck : The upper neck isabelline, immaculate on the chin and upper 

 throat, then becoming mixed with deep seal-brown feathers, isabelline at 

 their bases, it shades into the seal-brown of the lower neck, where the 

 feathers are tipped with dull buff; the upper part of the neck, the nape 

 and where it joins the back is immaculate deep seal-brown. 



Back : Mantle, upper back, rump and upper tail-coverts deep seal-brown, 

 the tips of each feather deep buff, giving a banded or barred or in places 

 a powdered appearance to the surface; lower back immaculate seal- 

 brown ; the tail-coverts very short, only concealing the base of the tail. 



Tail : Deep seal-brown ; the feathers stiff and about the same shade, 

 below as above. 



Wings : Primaries deep seal-brown ; the secondaries the same shade, 

 but powdered on their outer webs with deep buff like the back ; the ter- 

 tials the same ; scapulars like the back ; the whole upper surface of the 

 body is concolor. 



Lower parts : All the feathers with deep seal-brown bases ; on the breast 

 these are tipped strongly with deep buff, which almost obscures the basal 



