AVES PHALACROCORACID^. 507 



HalicBus gaimardii, Tschudi, Faun. Peru. Orn. p. 313 (1845-46). 



Sticticarbo gaimardi, Bonap. Consp. Av. II. p. 174 (1855). 



Gracuhts gaimardii, Schl. Mus. Pays-Bas, VI. Pelic. p. 22 (1863; Coast 



of Chili); Pelz. Reis. Novara, Vog. p. 158 (1865: Chiloe). 

 HalicBUS cirnger, Burm. An. Mus. Nac. Buenos Aires, part X. p. 249 



1888: South Patagonia). 



General description. 



Size. — Total length, about 28.00 inches. 



Wing, 9.7 inches. 



Culmen, 2.3 inches. 



Tail, 4.0 inches. 



Tarsus, 1.9 inches. 



Color. — General color, dark smoky grey. 



Head : Dark smoky grey ; in the breeding season there are some scat- 

 tered plumules forming a whitish patch. 



Neck: Like the head, but generally lighter beneath. There is an 

 elongate white area on either side. In the breeding season there are 

 some whitish plumules like those behind the eye on the front of the neck. 



Back : Upper back smoky, becoming silvery grey on the exposed parts, 

 each feather rather broadly margined with dull brownish. Lower back, 

 rump and upper tail coverts dark smoky grey. 



Tail : Dull brownish black. Fourteen rectrices. 



Wings : All the quills dull brownish black ; scapulars smoky, becoming 

 silvery greyish toward the exposed surfaces, each feather margined with 

 dull brown ; wing-coverts like the scapulars ; lower wing-coverts and axil- 

 laries smoky greyish. 



Lower parts : Smoky grey, paler than the shade prevailing above. 



Bill: "Culmen cadmium-yellow, greenish brown along the top, and 

 shading into orange-vermilion towards the base and on the bare patch 

 in front of the eye; mandible similar but less brightly colored" (A. A. 

 Lane). 



Feet: "Legs, feet and webs bright coral red" (A. A. Lane). 



Iris: "Iris grey" (A. A. Lane). 



The sexes are alike in full plumage. 



Young birds of the year are dark brown in general color, the wings 

 and under parts being lighter, with an admixture of whitish feathers. 



