307 



the Chcemarrhomis leucocephala." Dr. G. Radde states (Reis. im Slid. v. Ost-Sib. ii. p. 258) that 

 he obtained a male in South-east Siberia on an island in the Onon, not far from the old Tschin- 

 dantskisch fortress ; and, according to Mr. Taczanowski, Dr. Dybowski saw one just beyond the 

 forest-growth near the Changinskish post. 



In general habits the present species is said to differ from the typical Redstarts ; for it 

 frequents rocky places near water at a considerable altitude in the mountains, especially localities 

 where the shores of the mountain-brooks are wooded ; but it is said not to perch so often on the 

 bushes as the other Redstarts, but to move about amongst the rocks and stones, occasionally 

 passing from twig to twig on a low tree or bush. 



Its nest and eggs are as yet unknown. 



The specimens figured are an adult male and female from the Caucasus. 



In the preparation of the above article I have examined the following specimens: — 



E Mus. H. E. Dresser. 



a, b, 6 ad., c, $ ad. Tiflis, Caucasus, d, 6 ad. Aktash, April 4th, 1874 (Captain Biddulph). 



E Mus. Lord Tweeddale. 



a, tf. Pangong lake, Ladak, September 21st. b, d. Ladak, September 16th (Biddulph). c, £. Kashgar, 

 February 20th (Biddulph). d, d . Lama Pass, Sikkim, October 5th, 1870 (W. T. Blanford). 



