146 NEUROPTERA. 



mouth, as with the caterpillars, and not at the other 

 extremity of the body, as it is with the Aphis-lions 

 and Ant-lions. 



The larvas feed upon both vegetable matter and 

 small aquatic animals. The pupa state is passed with- 

 in the larval case, which is usually fastened to some 

 object, and has the entrance closed with a grating or 

 a silken lid. 



