820 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Geographical Range. — Chili, southern Patagonia (Chuput Valley south) 

 and the Falkland Islands. 



Mr. Peters secured some immature birds, presumably of this form, at 

 Bariloche. 



The Princeton expedition obtained a number of specimens on the Rio 

 Chico, March 15-18, and one near Mt. Tigre, August 24. They exhibit no 

 great variation, 



Family Mimid^. 



Sharpe, Cat. Birds Brit. Mus. vi, p. 322 (1881); Hand List Birds, iv. p. 

 102 (1903). 



Genus MIMUS Boie. 



Type. 



Minius Boie, Isis, xix, 1826, 972 Turdtts polyglottos. 



MiMUS PATAGONicus PATAGONicus (Lafrcsuaye and d'Orbigny). 



Orpheus patagonicus Lafresnay and d'Orbigny, Mag. de Zool. 1835, p. 19 

 (Santa Cruz, Patagonia). 



Description. — Adult male, P. U. O. C. 7926, March 11, 1898, Rio Chico, 

 Patagonia, A. E. Colburn. Total length, 9.12 inches; wing, 4.20; cul- 

 men, .61 ; tail, 3.64; tarsus, 1.45. Above ashy brown (hair brown of 

 Ridgway) with a tawny suffusion on the rump, crown with dusky centers 

 to the feathers; wings black, greater and lesser coverts and tertials edged 

 with brownish buff and tipped with white, flight feathers narrowly margined 

 with white; tail black, all but the middle pair broadly tipped with white, 

 outermost pair with narrow white edging on outer web ; under parts light 

 drab with pale edgings to the feathers of the breast, throat white with a 

 narrow black line on each side, flanks grayish cinnamon, ear coverts tinged 

 with cinnamon and minutely speckled with black, a whitish band over the 

 eye and a black streak through it, eyelids white. 



A young bird in juvenal plumage, Santa Cruz, Patagonia, February 25, 

 1898 is browner above and dull white below with dull brownish spots over 

 the breast and flanks. 



Geographical Range. — Argentina and Patagonia south to Rio Chico. 



Found by the Princeton Expedition at Santa Cruz and Rio Chico in 

 February and March. A speckled young was secured at the former local- 

 ity on February 25. In northern Patagonia Mr. Peters found them abun- 



