yio 



PATAGONIAN EXPEDITIONS : ZOOLOGY. 



the rest of the lower neck following the band white like the chin, forming 

 a triangular patch just above the breast. 



Back: Interscapular region concolor with the crown, dull ash-brown, 

 the feathers streaked finely with ashy white ; the lower back like the inter- 

 scapular region, shading into rich chestnut rufous on the rump ; the upper 

 tail-coverts rich chestnut, with obsolete narrow bars of ashy brown. 



Tail : Deep seal-brown, tipped with chestnut and crossed by nine or ten 

 narrow bright chestnut bars ; seen from below, the tail shows dull ashy 

 brown, with a silvery gloss, the bars are dull rufous on the outer webs 

 and on the inner part of the inner webs, but shade into pure white on the 

 outer edges of the inner webs. 



Fig. 362. 



Glaiicidium naniini. Adult male, P. U. O. C. 7877. Emargination of primaries. Natural size. 



Wings : Quills all dark brown, ashy in tone ; barred obscurely with a 

 brighter shade of brown, notched on both webs with white spots ; scapu- 

 lars darker than the back and with an obscure rufescent shading or gloss, 

 mottled on the outer webs with white oval spots, which together form bar 

 of white or show as a series of white markings ; upper wing-coverts dull 

 ash-brown, sparsely spotted with silvery white ; the greater series with 

 large white spots defined by narrow black borders at the tips; under 

 wing-coverts yellowish white, silky in character and slightly striped with 

 dull brown. 



Lower parts : Sides of the breast dull ash-brown, with obscure white 

 mottling ; sides of the body dull ash-brown ; the rest of the under body 



