524 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



pared with atriceps in the same plumagp ; there are no nasal caruncula- 

 tions and the feathers reach to the base of the culmen ; the lower parts 

 are pure white, not as silky as in breeding birds ; the thighs and under 

 tail-coverts ashy brown. 



A young bird, half grown, (8314 P. U. O. C, Cape Fairweather, 12 Febru- 

 ary, 1898) is still in the down stage of plumage, so far as the head and neck 

 are concerned ; these are covered with a thick fur-like down, snuff-brown 



Fig. 260. 



Fig. 261. 



Phalacrocorax albiventer. P. U. O. C. 8314. Half grown bird in downy plumage. Profile of 

 head and bill. Head and bill from above. Reduced. 



in color ; the rest of the body shows more or less down of the same shade 

 and character ; the wing-coverts, secondaries and tertials are well grown, 

 as are the scapulars, all ashy brown, with a distinct shading or gloss of 

 dull green ; the alar wing-bar shows indistinctly ; the tail is well grown, 

 four inches long, but the primaries are short and concealed by the sec- 

 ondaries, which overhang them for at least two inches ; the down of the 

 back is mixed with ashy brown feathers and the down of the under parts 

 is almost overgrown by the pure white feathers taking its place. Bill 

 horn-brown ; feet yellowish brown. 



Geographical Range. — Coast of southern South America. As far north 

 as Port San Julian on the Patagonian coast. The Straits of Magellan and 

 Fuegian waters. The Falkland Islands. 



The series of these cormorants procured at Cape Fairweather and other 



