50 PATAGONIAN EXPEDITIONS : ZOOLOGY. 



sometimes assume the form of bars. The upper tail coverts chocolate 

 brown decorated with minute white spots. 



Wing: The wing coverts chocolate brown, mottled with blackish cen- 

 ters to the feathers and with white spotting sometimes assuming the form 

 of bars. The inner secondaries chocolate brown, mottled like the back 

 and barred with white. Bastard wing and primary coverts brown, with 

 little or no white marking. Quills dusky brown, the middle secondaries 

 being white on the inner web. When the wing is spread this white por- 

 tion of the secondaries forms a definite white patch varying somewhat in size. 

 Under wing coverts and axillaries white, mottled with brown bases to the 

 feathers. 



Tail blackish brown. 



Lower parts : Upper breast whitish mottled with dusky brown, or black- 

 ish centers to the feathers. Center of breast and abdomen whitish, with 

 dusky brown cross bars. 



Sides of body and flanks blackish brown, with narrow white bars and 

 tips on each feather. Under tail coverts blackish with vinous tips. 



Geographical Range. — Uruguay and southward into Patagonia. 



The Expeditions sent out by Princeton did not obtain specimens of this 

 little known bird. The description given is taken from the type which is 

 in the British Museum and which was collected by the late Charles 

 Darwin, at Rio Plata during the voyage of H. M. S. "Beagle" around 

 the world. 



A second individual, an immature bird, was taken at sea off Cape 

 Santa Maria, Uruguay. 



Subfamily FULICIN^E. 



Sharpe, Cat. Bds. Brit. Mus. XXIII. p. 209 (1894) ; id. Hand-List Birds, 

 p. 109 (1899). 



Genus FLILICA Linnaeus. 



Type. 



Fulica, Linn. Syst. Nat. I. p. 257 (1766); Sharpe, Cat. 

 Bds. Brit. Mus. XXIII. p. 209 (1894); id. Hand-List 

 Bds. I. p. 109 (1899) F. atra. 



