28 ARKIV FÖR ZOOLOGI. BAND 5. N:0 9. 



those of their Mongolian relatives wliich look more like pincers 

 for extracting tlie prey out of narrow holes. 



It is of interest to no te that this little Woodpecker 

 from Mongolia in the same way as its larger compatriot has 

 its nasal bristles very scantily developed when compared 

 with Swedish specimens — this is even more striking than 

 in the greater woodpeckers — Through this feature the 

 bill appears to be longer than it is, its length being 18 mm. 



The length of the wing of this specimen is 95 mm. 



ApilS apUS (LlNNAEUS). 



Kiran ef (11:0 103) ^V" 1908. 



This specimen is very dark, almost darker than average 

 Swedish specimens, and its forehead is not at all paler than 

 the crown. It is possible that a darker race inhabits Mongolia 

 but as there is only one specimen at my disposition I only 

 wish to draw the attention to this question. 



Length of wing 175 mm. 



Surnia ulula Linnaeus. 



Kossogol, a young specimen (n:o 29) ^^e 1908, 



This specimen is fledged but not fully feathered on 

 head and neck. According to Godlewski as quoted by 

 Taczanowski (1. c. p. 125) this owl shall commence laying 

 its eggs at the end of February, but this specimen appears 

 in such a case to belong to a belated brood. 



Asio otus. 



Ibizik cT (n:o 30) ^5 1908. Chara ef $ juv. (n:o 49, 50) »Vg. 



Length of wing of the adult about 300 mm, 

 Asio accipitrinus (Pallas). 



Tumutscheji $ (n:o 38) ^^t 1908. 



The buff colour of this bird is somewhat paler than in 

 average Swedish specimens, and primaries 1 — 5 are less 

 checkered by dark brown bars which are confined to the 

 terminal third so that a large buff-coloured spöt is formed 



