Swallow-Tailed Butterflies 



1()1 



the half-moons being known as lunulas. The male 

 butterfly is more distinctly marked than the female, 

 and also smaller. 



You can put it down as a rule among all insects 

 that the male is smaller than the female ; the excep- 

 tions, if any, which may occur to this rule are not 



many or important enough to affect the general 

 truth of the statement. 



THE GREEN-CLOUDED SWALLOW-TAIL 



It is also a black butterfly with yellow markings, 

 but if you will compare it with the black swallow- 

 tail you will see the difference in its markings. 



