. Ibis . A few of the cinnamon and black feathersof summer still show on the flanks, and one or two on theabdomen, but are very loose and readily become detached ifhandled. The mandibular portion of the black transocularpatch is more or less pronounced. The tail tipped withwhite. The barred throat is the chief characteristic of theadult female. Birds of the year. The twelve males and females of ourseries make it clear that the sexes are practically alike, bothresembling the mother bird in having the neck both beforeand behind barred with buff and brownish black. Theyappear to be further advanc
. Ibis . A few of the cinnamon and black feathersof summer still show on the flanks, and one or two on theabdomen, but are very loose and readily become detached ifhandled. The mandibular portion of the black transocularpatch is more or less pronounced. The tail tipped withwhite. The barred throat is the chief characteristic of theadult female. Birds of the year. The twelve males and females of ourseries make it clear that the sexes are practically alike, bothresembling the mother bird in having the neck both beforeand behind barred with buff and brownish black. Theyappear to be further advanced towards winter plumage onboth surfaces than the adult birds, that is to say, there is agreater admixture of j)ure white with the coloured back-feathers, especially the scapulars, are brownishblack with lateral bars of pale orange-buflF, not quite reachingthe centre of the feather. Forehead chiefly white, with afew coloured feathers. Tail black, broadly tipped with white. Ii),Pl,] V J G Keulernans lith HaJihart imp. LAG OPUS RUPESTRIS $. Ramble in Eastern Iceland ^c. 379 Underparts.—On the upper throat the bars are broad^ on thelower throat narrow^ and both of the same tint as the feathersof the back^ i. e. brownish black and buff. Breast and abdo-men white, with a few barred black and buff feathers on theflanks. Chin Avhite, with more or less trace of the colouredfeathers. The young males have the transocular patch morepronounced than the females. Professor Newton^ to whom a series of skins was sub-mitted for inspection, and who instituted a comparisonbetween them and those of various Lagopodes in his posses-sion, makes the following interesting remarks :— Withoutdoubt they fully substantiate the opinion I have beforeexpressed, that Lat/opus Iupestris does not in autumn assumethe ash-grey plumage seen at the same season in L. mutus,but I never before had convincing evidence to that of the most remarkable things about your series is thats
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectbirdspe, bookyear1859
