32 
THE BUGOLOGIST 
it passes into the stomach and intestines and there is 
digested, becoming a part of the body in a similar manner 
that food becomes a part of our body. 
Now you will ask how the butterfly can live with¬ 
out lungs? Ah ! but he has gills. 
The butterfly has a similar apparatus. 
Look underneath each wing and see if you cannot 
find a little hole. The hole is the opening of a stiff tube 
similar to our wind-pipe. There is one principal one 
under each wing but there are many more all over the 
body and even in the wings. 
Here is a drawing that will give you some idea of 
the wind-pipes or trachece as they are called, and how 
scattered they are. 
From Packard’s “Guide to Study of Insects.” 
