BANGS: BIRDS FROM THE HIGHLANDS OF SIBERIA. 465 



COLUMBIDAE. 



Columba rupestris pallida Roth, and Hartert. 



Six adults, both sexes, Tchegan-Burgazi Pass, July 2 to July 10. 

 The rock pigeon was very common in the higher parts of the moun- 

 tains, being especially numerous among the cliffs along the Tchegan- 

 Burgazi River. 



CHARADRIIDAE. 



Eudromias morinellus (Linne). 

 One adult male, taken at Topucha, August 10. 



Aegialitis dubia (Scopoli). 



Two specimens, Tchegan-Burgazi Pass, an adult male taken July 15 

 and a young male not yet able to fly July 22. 



Actitis hypoleucus (Linne). 



Twelve specimens, Tchegan-Burgazi Pass, adults of both sexes and 

 young of various ages from those just hatched to others quite able to 

 fly, July 2 to July 26. 



ANATIDAE. 



Mergus merganser comatus (Salvadori). 



One adult female taken on the bank of Black Creek, a tributary to 

 the Tchegan-Burgazi River, July 2. 



FALCONIDAE. 



BUTEO BUTEO PLUMIPES (HodgSOIl). 



Three specimens, an old female, and youngish male and female, 

 Topucha, August 5, 8, and 9. 



Falco aesalon lymani, subsp. nov. 



Seven specimens, Tchegan-Burgazi Pass, adults of both sexes, and 

 downy young. One nest was found in a larch tree, on a branch 15 



