my research amongst the rich material in the National 

 Collection. Finally, I am under a deep obligation to the 

 following for the loan of specimens from their own collections 

 or from collections in their charge : — Mr. John M. Clark, of 

 the State ^Museum, Albany, New York ; Dr. L. Doncaster, of 

 the University Museum of Zoology, Cambridge; Dr. Fritz 

 Haas, of the Seuckenbergisches Museum, Frankfurt a/M. ; 

 Mr. A. S. Kennard ; Major A. J. Peile; Mr. F. R. Rowley, 

 of the Royal Albert Memorial Museum, Exeter; Dr. R. 

 Sturany, of the Naturhistorischcs Hofmuseum, Vienna; and 

 Mr. B. 13. Woodward. 



G. K. GUDE. 



London, Novemhcr, 1914. 



