3 
A curious case of a mimetic assemblage is afforded by the 
Pierines Euterpe critias and E. bellona, together with their 
respective models Papilio zacynthus and the Helicon of the 
thelxiope group. The Papilio and the Heliconit have no close 
resemblance to each other; but appear to be held together, 
as it were, by the intermediate Pierines. If the Helicon are 
considered as the models for the whole group, the question 
arises why E. critias should copy a mimic (P. zacynthus), and 
not a very good one, instead of the original distasteful model 
(Heliconius). It is more probable that here also we have an 
instance of an “inedible association”’; this conclusion being 
strengthened by the fact that a certain amount of ‘‘ give and 
take”, or ‘‘ reciprocal mimicry’, seems to have occurred not 
only between the Heliconii and the Pierines, but also between 
the Pierines and the Papilio. 
The paper was illustrated by coloured drawings of the 
species referred to. 
August, 1894. 
[From the British Association 
Reports, 1894.| 
