Mr. H. Seebohm on the Ornithology of Siberia. 195 
His position in the St.-Petersburg Museum is now filled by 
Modeste Bogdanow, who has lately published a work on the 
Birds of the Caucasus, and whose recently issued article on 
the Birds of the Black-earth Zone of the Volga and its Central 
and Lower valleys contains some excellent field-notes. 
[95] 
