134 
APOLLO BUTTERFLY. 
Parnassius Apollo. 
PLATE XI. Fig. 1. 
Pap. Apollo, Linn. — Haworth Donovan , xiii. pi. 433 
Crimson-ringed Butterfly, Haworth Doritis Apollo, 
Fab. — Steph. 
In this genus the antenna are rather short, with 
the club narrow, nearly oval, and not compressed ; 
palpi rather long, and rising considerably beyond the 
head ; wings nearly free from scales, especially at 
the apex, where they are transparent, the hinder puir 
concave on their inner edge. The females are pro- 
vided with a small corneous bag, at the hinder extre- 
mity of the abdomen. The caterpillars have the 
power of protruding a retractile tentaculum from the 
neck, similar to that found in the larva; of the genus 
Papilio, formerly described ; but, unlike the latter, 
they form a kind of cocoon when about to change 
into chrysalides, by connecting a few leaves together 
by means of silken threads. 
The expansion of the wings is nearly three inches ; 
the colour white, slightly tinged with yellow, each 
