197 



C. Size similar ; length 

 Erythropus Brehm). 



10-11 in. (Sub. gen. 



1*300. Falco vespertinus vespertinus Linn., S.N. 

 ed. xii., i., p. 129 (1766). ["Ingria" 

 =Prov. St. Petersburg.] 

 Red-footed Falcon. 



Wing (J 243-250, ? 247-253 mm. ; sexes 

 dissimilar ; ^ above dark plumbeous ; tail 

 black ; below blue-grey with faint blackish 

 shaft-stripes ; thighs, vent and under tail- 

 coverts chestnut ; under wing coverts 

 greyish black ; cere and feet brownish 

 red ; ? head and neck rufous ; above ashy 

 grey, barred with darker grey ; primaries 

 barred with reddish white on inner webs ; 

 throat and cheeks reddish white ; below 

 rufous. 



E. and C. 

 Europe, N. to 

 Sweden and 

 Archangel ; 

 W. Siberia^ to 

 Lake Baikal and 

 Lower Lena ; 

 Asia Minor ; 

 cas. Brit. Isles ; 

 in winter S. to 

 S.W. Africa. 



300a. Falco vespertinus amurensis Radde, Reisen 

 i. S. von O. Sibir., ii., p. 102, pi. 1, fig. 2, 

 (1863). [Amur.] 

 Eastern Red-footed Falcon. 



Smaller ; wing <S 235-245 mm. ; (J under 

 wing-coverts pure white, instead of greyish 

 black ; feet orange ; $ head browner and 

 below pale rufous, the breast white, broadly 

 streaked with black, becoming bars on 

 the flanks. 



Siberia, E. of 

 Lake Baikal, to 

 Manchuria, 

 N. China ; 

 in winter to 

 N.E. India and 

 S. and E. Africa. 



D. Larger ; length 17-19 in. (Sub. gen. Notofalco 

 Math.). 



301. Falco subniger subniger Gray, Ann. Mag. AustraUa. 

 N.H. xi., p. 371 (1843). [Hab. unknown 

 = Victoria, apud Math.] 

 Black Falcon. 



1 Hartert considers F. v. obscurus Tschusi from W. Siberia to be a synonym 



