PREFACE. 



The second part of this Work is devoted to illustrations of types of Japanese 

 Moths in the British Museum. 



The fauna of Japan, on account of its mixture of European, Indian, and 

 North-American forms, has always claimed the special attention of zoologists 

 interested in the facts of geographical distribution. As regards Moths, 

 European forms are predominant, many species being most closely allied to 

 those of Europe, and, singularly, some forming links between species hitherto 

 found in Europe only. 



The study of these Lepidoptera has been greatly facilitated by the acqui- 

 sition of the large collection made at Yokohama by Mr. E. M. Jonas, and of 

 two smaller series selected from the collections formed by Mr. Henry Pryer in 

 1875 in the vicinity of the same locality, and by Mr. Henry "Whitely at 

 Hakodate in the year 1866. 



The descriptions of this second part have been prepared by Mr. A. G. 

 Butler, E.L.S., one of the Senior Assistants in the Department of Zoology. 



ALBERT GUNTHER, 



Keeper of the Department of Zoology. 



British Museum, March 15, 1878. 



