626 
Col. R. Meinertzhagen on Birds from [Ibis, 
Stresemann gives four males from Macedonia (mainly 
from Serbia) as 280-308 in wing, and three females from 
288 to 306 mm. 
Stresemann gives the wings of three males from Rumania 
as from 308 to 333, and of five females as from 291 to 303. 
Palestine. 
6 $ • Wing 292-312; culrnen, length 51-56, height 
18-20*5. 
8 $ . Wing 278-301 ; culrnen, length 45-53, height 
17-19. 
Gengler (J. f. 0. 1919, p. 221) gives the wings of three 
Jerusalem birds as 300-324 and culrnen length as 42-51. 
Two Urfa (N.W. Mesopotamia) birds (teste Stresemann, 
Avif. Macedon.) have wings of 309 and 311. 
Stresemann (ibid.) gives the wing of four birds from 
Vladikavkas (N. Caucasus) as 304-319 and one from the 
Crimea as 301 mm. 
Egypt. 
20 £. Wing 286-324, 331; culrnen, length 50-58, height 
17*5-20. 
15 ? . Wing 286-317 ; culrnen, length 45-54, height 
17*5-20. 
Sardinia and Corsica. 
Probably all males. 
Wing 306-329; culrnen, length 54-57, height 17*5-20. 
Row in fresh autumn plumage (the only test for birds 
which bleach and wear like the Hooded Crow) I can detect 
absolutely no difference in the colour of the plumage between 
birds from all the above localities, though there is an 
infinitesimal individual variation which is never constant 
within a given area. I am unable to follow Gengler in his 
Review of the Corvidse (J. f. 0.1919, p. 215) and do not find 
that the characters he gives to subcornix , kaukasicus , and 
syriacus hold good among fresh autumn birds. 
But in winter and breeding plumage, birds appear to bleach 
in accordance with external conditions. In Palestine, for 
instance, and especially in the Jordan Valley, by January 
