249 63 



Wing-coverfs speckled, the outer web white, with the excep- 

 tion of the outermost feather, which is entirely speckled. 



Combs of the toes yei'j short. (Helsingeland, Sweden, 1843 — 44, 

 Sund. and Nilss.; Mus. of Stockh.) 



Male in summer dress (July). 



„Caput, collum, dorsum, pectus, Tetraonis Tetricis feminse". 



,,Remigesprimarice et secundarice SiW) 3d; plurimee tectricum albse. 

 Rhachis remigis prim<T fusca. Bectrices nigroe apicibus albis, duabus 

 mediis nigris ferrugineo — undulatis exceptis. Cauda non forficata. 

 Abdomen et femora ut in T. tetrice femina, modo pennis singulis 

 albis ornata. Digiti sublanati. Magnitudo T. tetricis feminse".^ 

 (Toten, Sommerfelt, 1823). 



Young male in autumn dress (primo Oct.) 



Bill black, slightly ridged. 



Head and necJi rusty yellow, each feather being marked with 

 narrow transverse bands of greyish. The croim of the head and anterior 

 portion of the necli appear a trifle darker, the black and rustcoloured 

 transverse bands being here of about equal breadth. The black 

 spot on the gorge, characteristic of the winter dress, is here 

 whitish-grey, and consists of new feathers, some of them having 

 blood-shafts. 



Throat light reddish-grey, and almost unspotted. 



Bach and ninip black as in the winter dress, the outer part 

 of the feather being sprinkled with white; between the latter, which 

 are new, there are several remaining from the summer dress, being 

 speckled with black and rusty yellow. 



The scapulars have numerous large feathers, speckled with 

 black and rusty yellow; the shafts of several are lightish. 



Anterior portion of breast much as head and neck, — reddish- 

 brown with narrow black transverse bands. A few black (winter) 

 feathers have appeared, some margined with wiiite. 



Under plamage almost pure white, a few black feathers only 

 being found in the flanks and between the feet. On the flanks, 



' The size of this individual shows it to have been a male. 



