824 



PATAGONIAN EXPEDITIONS : ZOOLOGY. 



culnien, .76; tail, 4.18; tarsus, 1.45. Above olive brown, grayer on the 

 rump, entire top and sides of head black, wings and tail black, the wing 

 coverts and secondaries edged with olive brown ; throat white streaked 

 with black, breast, abdomen and sides buffy clay color, brightest on the 

 middle of the abdomen and flanks, grayer on the breast ; under tail coverts 

 white ; feet horn color ; bill yellow. Sexes similar. 



F"lG. 396. Tardus magellanicus, immature 9 , 7740. About one half natural size. 



Full-grown young (Dec. 17, 1897, Punta Arenas) are richer brown 

 above, with tawny shaft streaks and black tips to the interscapular feathers 

 and scapulars; whole under side spotted with large round black spots. 



Geognxphical Range. — Humid regions about Lake Nahuel Huapi south 

 through the Andes to the Straits of Magellan and Tierra del Fuego, also 

 islands of Chiloe and Juan Fernandes. 



Found plentifully at Punta Arenas December 12 to January i ; full-grown, 

 speckle-breasted young were obtained there December 17 to 25. At Rio 

 Chico in February both adults and juvenal birds were just completing the 

 moult. 



