Severtzoff's 'Fauna of Turkestan.' 109 



Horizontal ra^ige. Breeds in district III. in the mountains 

 of Karatau, and in district IV. 



Vertical range. Occurs during the summer, and may pos- 

 sibly breed, in district 1, and breeds rarely in districts 2 

 and 3. 



32. Erythropus vespertinus (L.) ; SevertzofF, p. 63. 

 Horizontal range. Occurs during passage in district III. 

 Vertical range. Is met with during passage in districts 1 



and 2, and is a rare straggler during the summer to the lat- 

 ter district. 



33. Circus jEruginosus (L.). 

 Circiis rufus, Severtzoif, p. 63. 



Horizontal range. Is found during the breeding-season in 

 districts I., II., III., and IV. 



Vertical range. Breeds in districts 1, 2, and 3, and occurs 

 during summer in district 5. 



34. Circus cyaneus. 



Strigiceps cyaneus, SevertzoiF, p. 63. 



Horizontal range. Is found during the breeding-season in 

 districts I. and II., and is resident in districts III. and IV. 



Vertical range. Is resident and breeds in districts 1 and 2, 

 occurs in district 3 during the breeding-season, and in the 

 summer in districts 4 and 5. 



35. Circus swainsoni, Smith. 

 Strigiceps pallidus, Severtzoff, p. 63. 



Horizontal range. Occurs during the breeding-season in 

 districts I., II., and III. 



Vertical range. The same as the horizontal range. 



Respecting these two Harriers, Mr. Severtzoff remarks 

 (p. 115) that the best distinctive character to distinguish them 

 is the marking of the rump. In C. cyaneus, he says, the rump 

 is white, unspotted ; but the feathers are marked with narrow 

 lines, whereas in C. swainsoni the rump, which is white and 

 lineated, is marked with broad and very distinct cross bars, 

 which are grey in the male and brown in the female and 

 young. These differences, he says, are constant, and by 



