251 65 



tabbied bars. For the rest, normal winter dress, with the large 

 black pectoral blotch. 



Tail^ under plumage (very little black in the latter) and all 

 other parts as in adult individuals. 



Conihs of toes distinct (Sundevall, 1844, Stockh. Mus.). • 



Adult bird at end of winter. 



Dress normal winter garb; in the head and necli, however, 

 there are a few dark reddish-brown feathers with black ti'ansverse 

 bands. Above the eyebrow, too, the plumage is interspersed with 

 feathers of the same hue. Front of tarsi without any mixture of 

 a darker shade. (/wt^fr^^Zmwar/c white with a very few black feathers 

 (0sterdalen, 1851, Univ. Mus.). 



Another s^jecimen (March 1868) has the black patch on the 

 chin reduced to a single black feather; the flanks and under plumage 

 with a few large reddish-brown feathers. (Voss, Bergen Stift, 

 Mus. of Bergen). 



Lag opus alpimis, Nilss. 



On the 19th June 1872 I found the first nest of the year in 

 Maalselvdalen, in a spot above the forest belt blooming with 

 Rhododendron lapponieum, Diapensia, and Andromeda tetragona. 

 There was a clutch of 11 eggs, which had been sat on for about 

 4 days. Several white feathers from the breast of the female lay 

 at the bottom of 'the nest. The old birds were both present. In 

 the male, the belly and root of the beak were to a considerable 

 extent still white, the plumage of the female approaching much 

 nearer the normal spring dress. In the stomachs of these individ- 

 uals I found gravel only, but the craws were filled with the leaves 

 of Salix herhacea. 



Young in down, about 4 days old, were found on the 9th 

 of July, near the Porsangerfjord. From their stomachs I took Diptera 

 and berries of Empetrum. Here, too, both of the old birds were 

 close by, searching for food among the grass in a birch copse, 

 which, however, lay in close proximity to the naked rocks, 



Mr. Aall, proprietor of the Naes Ironworks, near Arendal, kindly 

 lent me for examination, in February 1872, a remarkable specimen of 



