T*35. 
b. Thighs white, with rufous streaks or spots. 
+*36. 
So 
37. 
19 
Circus macrourus (S. G. Gmel.), N. Comm. 
Petrop., xv., p. 439, pls. viii., ix. (1771). 
[Woronez, S. Russia.]| 
Pallid Harrier. 
Wing 3 340-360, 2 370-390 mm.; throat 
and chest white ; upper tail-coverts white, 
banded with ashy grey. 
Circus pygargus+ (Linn.), S.N., i., p. 89 
(1758). [ex. Albin: Europe =England.] 
Montagu’s Harrier. 
Wing 3 350-375 mm.; throat and chest 
pale bluish grey ; upper tail-coverts white, 
tipped with deep ash colour. 
Thighs white, barred across with orange 
rufous. 
Circus cinereus Vieill., N. Dict., iv., p. 434 
(1816). [ex. Azara—Paraguay.] 
Cinereous Harrier. 
Wing $310, 2 360 mm. ; throat and chest 
white, barred with orange tawny; upper 
tail-coverts white. 
d. Thighs rufous, either uniform or spotted 
38. 
and margined with white. 
Circus assimilis assimilis Jard. and Selb., 
Ill. Orn., Ser. i. pl. 51 (1828). [Near 
Sydney, N.S.W.] 
Spotted Harrier. 
E. Europe and 
Central Asia to 
Altai; Africa 
India, Burma, 
China in winter- 
Europe and 
Marocco ; Pales- 
tine, Africa, 
India, China 
in winter. 
S. America, N. 
to Central Peru 
and E. Bolivia, 
migrating to 
Straits of 
Magellan and 
Falkland Is. 
E. Australia, 
Tasmania, 
Celebes. 
1 C. pygargus abdull@ Floericke is undoubtedly a melanism of this form. 
