546 INSECTS ABROAD. 



spots near the middle. These are, in fact, one very large spot, 

 divided by the black nervures which run through it. 



The two next illustrations represent the male and female of 

 Papilio caudius. The latter of these names is formed from a 

 Latin word signifying "a tail," and is given to the insect on 

 account of the long, narrow appendages to the lower wings. 



Via. 290.— Pajiilio caudius. Male. 

 (Black, white, anil red.) 



There is much technical information respecting this insect in 

 Mr. Horsfield's " Catalogue of the Lepidopterous Insects belong- 

 ing to the East India Company." In that work some excellent 

 advice is given to entomologists who wish to trace the trans- 

 formations. Whenever a new larva was found, it was placed in 

 a separate cage, to which a number was attached. It was then 

 carefully drawn in colours, and its food-plants noted, a similar 

 number being affixed to the drawing. When it underwent its 

 first change the pupa was drawn, also in colours, and the same 

 when the perfect insect appeared; all the drawings having the 



