340 Psyche [December 
Figure 10. Heights of larval head capsules of each instar. Small numbers indicate 
frequencies greater than one. 
on tne morning of the fourth day they shed the last larval skin. By the 
evening of the fourth day, the pupae were hardened and darkened. 
Pupa 
Based on the eleven individuals available to us, the pupa (Figure 
1 1) of Dynastor darius is about 4 cm long and bears a remarkable 
resemblance to the head of a snake. Its brown, beige, and whitish 
