PLATE 2 



COCOONS OF A SILK-MOTH. 



Page 10 



Three cocoons of the Cecropia-moth, theJowest example cut open to show structure 



and chrysalis. It will be seen that there are really two cocoons of firm texture 



with an intermediate packing of looser silk. The- provisiorrfor easy 'exit- of the 



moth is also evident. 



Photo by Author. 



