E. LÖNNBERG, BIRDS FROM TRANSBATCALIA AND MONGOLIA. 13 



throat is dirty whitish tinged with isabelline, the foreneck 

 påle cinnamon, inclining to buff in one specimen, the rest 

 of the lower surface is greyish, strongly suffused with buff 

 or isabelKne {not vinous red as in G. gl. brandti). The under 

 wing-coverts are cinnamon. Lesser upper wing-coverts grey 

 with cinnamon brown ends, median wing-coverts darker 

 cinnamonbrown (not incHning to chestnut as in G. gl. brandti). 



Length of wing 176 — 180. 



Upper mandible of bill very strongly hooked. Length 

 of culmen 30 — 31 mm. 



Perisoreus infaiistus sibiricus (Boddaert). 



Kudrin ö" (n:o 74) ^V'5 1908. 

 Tschikoi cT (n:o 89) -% 1908. 



The hood of these birds is a little paler than that of 

 Swedish specimens, but the general colour not. The mos t 

 conspicuous difference is that the rufous patch on the wing 

 is more intensly chestnust red, and more extended över the 

 outer web of the quills in one of the specimens. The tail 

 is longer than in Swedish specimens measuring 148 — 149 

 mm. These characteristics quoted may be reason enough 

 for counting these specimens to the Siberian race although 

 they are not påle. 



Pyrrhocorax pyrrhocorax (Linnaeus). 



Osero Dsargutscheji $ (n:o 40) V'5 1908. 

 Tamir (fcf (n:o 41, 42) ^Ve 1908. 



The first specimen is an old bird with length of wing 

 280 mm. The two others appear to be young to judge from 

 the appear ance of bill and feet. Their length of wing is 

 resp. 260 and 272 mm, and thQ gloss of their wdngs is 

 in some shades of light somewhat more greenish blue than 

 in the adult. 



Uragus sibiricus (Pallas). 



Kjachta »9» (n:o 109) ^V^ 1908. 



This specimen is labeled »?», but it is no doubt a young 

 male as is indicated by its being scarcely streaked above 

 and not at all below. The general colour of the upper parts 



