INTBODTTCTION. Vll 



France. — The late Professor Milne-Edwards, Dr. Oustalet. 



Holland. — Dr. Otto Einsch. 



Germany. — Professor A. Eeichenow, Dr. A. B. Meyer, Count 



von Berlepsch. 

 Russia. — Dr. Bianchi. 

 Italy. — Count Salvador). 

 America. — The late Prof. Elliott Coues, Prof. Eobert Bidgway, 



Dr. L. Stejneger, Prof. J. A. Allen, Mr. Prank M. Chapman, 



Mr. C. "W. Bichmond, Mr. Witmer Stone, Mr. Harry Ober- 



holser. 



I offer my best thanks to all these kind friends for the help so 

 readily afforded. 



E. BOWDLEE SHAEPE. 



May 27, 1900. 



