HOME-GROWN SILKWORM-GUT 



201 



being much more so than those of the female and 

 thus furnishing an easy means of distinguishing the 

 sexes. 



The full-grown cecropia caterpillar averages from 

 three to four inches in length but when very large 

 may measure nearly five inches, is moderately stout, 



Cecropia caterpillar 



and of an apple-green color. On the various seg- 

 ments of the body are tubercles or shot-like append- 

 ages mounted on the ends of little stalks. On the 

 second, third, and fourth segments these tubercles 

 are of a coral color; on other segments they may be 

 blue or black. The head is green with black mark- 

 ings. These features characterize the full-grown 

 worm. 



Next in size as a spinner of cocoons is the Tele^ 

 polyphemus. The polyphemus moths are nearly as 

 large as those of cecropia, and they vary in color 



