io RHOPALOCERA N/HONICA. 



the colder period, when the habits of the two sexes are more alike, and there is, in the mandarina form, 

 less difference in the coloration of the two sexes, a number of specimens then collected at random will 

 be found to show a greater proportion of both. 



In the figures, I have given the two extreme forms of mandarina and liccabe. 



22. Terias laefca, Boisd. (PL 2, fig. io.) 



Terias j<zgeri, Men. 



Localities Main Island. 



Time of appearance March to November. 



A very rare variety of this, wholly yellow, is sometimes found, a counterpart of injudariiia to the 

 hecabe form of multiformis. Although a very common species, I know nothing concerning its life history, 

 and in this respect there is, in Japan, an exhaustless field of most interesting research for the naturalist. 

 The few species that I have, with the limited time at my disposal, been able to study, always yield most 

 interesting and unexpected results. 



23. Terias bethesba, Janson. (Pi. 2, fig. n.) 



Localities Main Island. 

 Time of appearance .Summer. 



A very interesting and unvariable species, only appearing during the hot weather. Nothing is yet 

 wn of its economy. It is peculiar to Japan. 



known of its economy. It is peculiar to Japan. 



24. Miletus hamada, Druce. (Pi. 2, fig. 12.) 



Local i lies Yokohama, Nikko. 



lime of appearance Summer to October. 



About Yokohama this is generally a very local species, being confined to isolated, spots. Some 

 specimens are quite black, and others from the mountains have a patch of greyish white on the fore wing. 

 It varies from f inch to ij inch. 



24. Lycaena (?) ogasawaraensis, H. Pryer. (Pi. 2, fig. 13.) 



Locality Ojjasawara. 



lime of appearance Marcli. 



In the month of March, 1878, I visited the isolated Ogasawara Islands (Bonins) on a collecting expedi- 



