470 PATAGONIAN EXPEDITIONS : ZO6LOGY. 



Pterocyanea fratensis, Eyton, Syn. Anat. p. 65 (1869). 



General Description. 



Size. — Adult male, 7976, P. U. O. C. Arroyo Eke, Patagonia, 9th 

 April, 1898, A. E. Colburn. Total length, 16.4 inches. 



Wing, 7.5. 



Culmen, 1.7. 



Tail, 3.5. 



Tarsus, 1.2. 



Color. — (Male cited.) General color: Brown in varying shades, becom- 

 ing black and white in sharply contrasted barring of black and white on 

 the posterior half both above and below. 



Fig. 236. Fig. 237. 



Querquedtda versicolor. Male. The same: bill from above. 



P. U. O. C. 7976. Profile of head. Reduced. Reduced. 



Head : With a seal-brown cap or hood extending from the forehead to 

 well down on the nape and reaching below the eyes ; sides of the face 

 and head buffy dirty white ; the two color areas of the head are in abrupt 

 contrast and do not blend. 



Neck : Buffy isabeline white, sometimes immaculate on the chin and 

 upper throat, but generally each feather is bordered with a very narrow 

 band of seal-brown, giving a barred or flecked, or in places a vermiculated 

 appearance ; these markings are best defined on the lower neck both 

 above and below. 



Back : Mantle dappled ; the feathers are black or dusky seal-brown, 

 each being tipped with buffy and crossed with two distinct bars of the 

 same color. Lower back, rump and upper tail-coverts barred black and 

 white ; the white bars are well defined but very narrow on the lower back, 

 the black bars or areas being five or six times as wide ; on the rump 



