379 



the rump, but darker and more distinct on the upper parts, becoming black on 

 the crown and hind neck, but still with a greyish shade ; forehead scarcely at 

 all whitish ; lores whitish, just tipped with blackish ; fore part of cheeks and 

 a moustachial streak greyish black, the ear-coverts also washed with greyish ; 

 entire throat and the upper breast, as well as the sides of the neck, pure white, 

 without any markings at all ; rest of the under surface of the body white, with 

 very narrow brownish cross bars, on the lower part of the breast a few small 

 spots of black ; wing-coverts blue-grey, with nearly obsolete blackish cross 

 markings, the least wing-coverts darker, Uke the upper back ; quills black, with 

 a greyish shade externally, the secondaries narrowly tipped with white, the in- 

 nermost ones pale blue-grey like the lower back, with obsolete blackish cross 

 markings ; tail blue-grey, tipjjed with bufiPy white, narrowly barred with 

 blackish, the whole tail much darker towards the tip, where the bars become 

 broader, the subterminal one being the broadest of all ; bill light blue, dark at 

 the tip ; cere and orbits light yellow ; legs and feet rather brighter yellow ; 

 iris deep brown. Total length 15-7 inches, culmen 1-1.5, wing 11-5, tail 6'5, 

 tarsus 1-9. 



Female. Similar to the male, but larger and rather darker. Total length 

 19'5 inches, culmen 1'4, wing 13'4, tail 8, tarsus 2'15. 



/?. From Japan. 



Young. All the feathers of the upper surface deep brown, margined with paler 

 brown, the upper tail-coverts and tail with broad whitish tips ; the basal half of 

 the latter marked with obsolete rufous spots and bars ; frontal line and lores 

 whitish ; crown of head dark brown, with narrow fulvous margins to the fea- 

 thers; nape and liind neck mottled with clear fulvous, with somewhat of a 

 rufous tinge ; feathers under the eye blackish, produced backwards along the 

 upper ear-coverts, where there is a browner tinge ; cheek-stripe deep black ; 

 sides of the neck white, with a few central spots of black on some of the lower 

 feathers ; chin and throat white, the latter with a few siiaft-stripes of brown ; 

 rest of the imder surface whitish, with a wash of pale tawny buflP from the breast 

 downwards, all the feathers dark brown in the centre, giving a very broadlv 

 striped appearance ; the under tail-coverts buff, with broad irregular bars of 

 brown, somewhat arrow-shaped on the outer ones ; under wing-coverts very 

 dark brown, the least ones margined with buff, tlie greater ones and the axil- 

 laries spotted with buffy white ; under surface of the quills spotted, the primaries 

 barred near the base of inner web with pale rufous. Total length 19 inches, 

 culmen 1-35, wing 14o, tail 8-5, tarsus V'l. 



In my paper on Peregrines I was not certain whether the Japanese species, of 

 which only young birds are in the Museiun, might not prove to be the same as 

 the Western-American form ; but I now incline to think them only the Euro- 

 pean bird. 



y. From Western America, — F. nigriceps. 



Adult male. Forehead whitish ; head and neck black, with a wash of grey, 

 more clear on the ear-coverts, which, as well as the cheeks, are black ; upper 

 surface clear bluish grey, with blackish cross bands, fewer on the rump ; wing- 

 coverts very distinctly mottled with black, edged with grey ; quills blackish 

 brown, with a greyish shade on the primaries, the secondaries tipped with 

 whitish, the inner ones bluish grey with black cross bars ; tail blackish, pale 

 grey towards the base, iron-grey on the outer feathers, barred with black, more 

 indistinct on the central rectrices ; throat and chest pale creamy white, with a 

 narrow indi.stinet shaft-stripe on a few Of the feathers of the latter: rest of 

 the uiuler svu-face white, inclining to buff in the centre of the bodv, and wa.shed 



