vi PREFACE 



subsequent information, have been omitted. Limita- 

 tion of space has also necessitated the omission of 

 the lengthy footnotes, which chiefly referred to the 

 geographical distribution of birds, but this omission, 

 if not in its entirety, was at all events to a large 

 extent contemplated by the author himself. 



OLD RUSSIAN SILVER CROSS 



