aves rallid^. 47 



General description. 



Size. — Total length, 15.5 inches. 



Culmen, 2.55 inches. 



Wing, 5.3 inches. 



Tail, 3.0 inches. 



Tarsus, 1.85 inches. 



The female is slightly larger than the male. 



Color. — General color above olive brown ; below slaty lead color. These 

 colors are almost unbroken in their respective areas. 



Head : Crown olive brown. On the sides of the face slaty lead color. 

 A superciliary line reaching forward to the base of the upper mandible 

 slaty lead color. The entire area in front of the eye, and a narrow region 

 above and below it, as well as a triangular shaped area behind the eye, 

 olive brown. Eyelids slaty lead color. 



Neck : Above olive brown, shading into slaty lead color below. The 

 daty lead color is more or less suffused with olive brown, particularly on 

 the sides of the neck just back of the head. 



Back: The feathers of the lower back are mottled Fig. 23. 



and have black bases. Those of the rump are simi- 

 larly marked. 



Wing : The scapulars are marked like the feathers 

 of the lower back and have black bases. The inner 

 secondaries are black with broad margins of olive , . . . 



. -11 1 c ^ Lini..i'pardahs vigi- 



brown. Quills dusky, with the exposed parts of the ^^^^^.^ Profile of head 



outer webs olive brown. and neck, y^ natural 



Lower parts : Slaty lead color with more or less size. 

 olive brown shading, which becomes dusky on the 

 lower flanks. Under tail coverts dusky or blackish with sandy brown 

 edges. 



Tail olive brown. "Bill dark green; legs and feet red; iris red" (Dr. 

 Coppinger). 



The female is similar to the male in color. 



Geographical Range. — Islands of the Straits of Magellan and the Pata- 

 gonian shores of those waters. 



The Princeton Expeditions did not secure this species, as the region 

 where it occurs was not dealt with by the corps of naturalists composing 



