Prof. Blasius on the Oriutliolugij of Hdiyulund. 69 



Phyllopneuste javanica 



(Horsf.). 



The upper parts and the edges 

 of the quills and tail-feathers 

 brownish green. 



The crown brownish green, of 

 the same colour as the back. 



The tail-feathers are broad, and 

 gradually widened on the inner 

 web up to the well-defined termi- 

 nation j the margin of the inner 

 web turns towards the tip, making 

 a rounded obtuse angle with the 

 shaft. 



The whitish termination of the 

 first tail-feather attains its great- 

 est breadth at the rounded obtuse 

 angle formed by the inner web, at 

 some distance from the shaft. 



Phyllopneuste borealis, 

 nov. spec. 



The upper parts and the edges 

 of the quills and tail-feathers yel- 

 lowish grass-green. 



The crown gradually becoming 

 dark-coloured grey-green. 



The tail-feathers are slender, 

 little widened, and attain their 

 greatest breadth in the end-fourth ; 

 the margin of the inner web in the 

 end-fourth forms an irregular arc 

 with the shaft. 



The whitish termination of the 

 first tail-feather attains its great- 

 est breadth close to the tip of the 

 shaft on the inner web. 



The lower parts of both the species are white along the middle, 

 with a weak sulphur-coloured tint. The feathers of the sides of 

 the head and of the front of the neck, in the Siberian species, 

 are tinged with grey towards the ends and borders, so that these 

 parts appear of a dull, cloudy grey ; whilst the gorge and the 

 front of the ueck of the Phyllopneuste javanica is of a clear yel- 

 lowish white. The flanks of the Siberian species are strongly 

 tinged with a greenish-grey colour, their upper portions being 

 almost of the colour of the back. The structure of the wings cor- 

 responds, in many respects, in both species. The first spurious 

 quill is only a little larger than the upper coverts, and over- 

 reaches them in the Siberian species by about one line. The 

 third and fourth quills are longest. The fifth is longer, the sixth 

 shorter, than the second ; but in the Siberian species the end of 

 the second is nearer to that of the fifth than the sixth, whereas 

 in the Javan species the end of the second is nearer to that of 

 the sixth than the fifth. But perhaps these differences are of no 

 great importance. In both species the third and the fourth 

 quills are sensibly narrowed on the outer web. The wing of the 

 Siberian species is considerably longer and also somewhat more 

 pointed. The tail is in both species rather straight ; the first 



