Distribution of Birds in North Russia. 



Hiplanation of the Symbols and Arrangement in thefoUomng Table. 



Absent, or unrecorded, or insufficient data, a blank space. Present, |. Rare, •!•. Com- 

 mon, li. Veiy common, ft- Exceedingly abundant, J|. Once, twice, or thrice oc- 

 ciured, recorded, identified, shot, added to the fauna, i^, |^, ^. Occasional, *. Locally 

 distributed, ©. Generally distributed, O. Very doubtful records : the names of the 

 species and the records enclosed in brackets ; the number of the species omitted in the 

 printing ( ) (-vide F. sacer of Tables). Less doubtful records : the names of the species and 

 the records not enclosed in brackets, and the number of the species retained and printed, 

 but a query in the columns, ?. 



Table showing comparative Disti-ihution of the Fauna in the three Distbicts of the 

 NORTHERN DIYISION and the Faunal Value of the Species in each. 



Vide Midd. no. 5, p. 201. Recorded as far north a? 71 



