750 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Genus HYLACTES King. 



Type. 



Hy lades King, P. Z. S. 1830, p. 15 H. tarnii. 



Geographical Range. — Straits of Magellan, region of Patagonia and 

 Chili; the wooded parts of western Patagonia; central and northern Chili. 



Hylactes tarnii (King). 



Hylactes fam/i King, P. Z. S. 1830, p. 15 (Chiloe and Port Otway). 

 Mega/onyx ritficeps d'Orbigny and Lafresnaye, Syst. Av. i. p. 15. 



Description. — Female adult, P. U. O. C. 7782, Pacific slope of the Cor- 

 dillera, Patagonia, March 12, 1897. Total length, 10.50 inches; wing, 

 4.50; culmen, .78; tail, 3.80; tarsus, 1.70. Crown from base of bill to 



Fig. 384. Hylactes tarnii, 7782. Shape of wing and details of quills. 



occiput chestnut, rest of head, throat, neck and intercapulum dark lead 

 gray, feathers slightly lighter on the margin, upper surface of wings and 

 center of back washed with olive brown, some of the feathers tinged with 

 chestnut terminally, most of the lower parts, rumps and sides of the body 

 chestnut, abdomen, flanks and under tail coverts barred with blackish, this 

 color predominating on the under tail coverts, feathers of the abdomen 

 also centered with black; upper tail coverts dark chestnut, tail dull 

 black. Feathers of rump and flanks long and dense. Bill and feet black; 

 eyes "yellowish brown." 



A male in the collection of the Academy of Natural Sciences of Phila- 

 delphia is exactly similar. 



