Mimicry in certain Butterflies of New Guinea. 129 



Boisd., which, like euryxantha itself, is an inhabitant of 

 New Guinea. 



It is obvious that with regard to all these forms much 

 remains to be learned concerning their relative frequency, 

 their exact distribution and local variation, their modes 

 of flight and postures during rest, and the extent to which 

 they are the prey of insectivorous birds or other enemies. 

 Only when more data are forthcoming on these heads will 

 it bo possible to pronounce with any approach to con- 

 fidence on their respective bionomic relations. 



My thanks are due to Lord Rothschild, F.R.S., for 

 personal hell) in examining the collections at Tring; and 

 to Dr. Eltringham for his skilful preparations of the 

 genitalia mentioned on p. 120. 



TRANS. ENT. SOC. LOND. 1918. — PARTS I, II. (DEC.) K 



