WOOD BEETLES. 559 



Other members of the family, known as the elephant, 

 Neptune, and typhon, excavate burrows in the earth, living 

 on the decomposed trunks of trees during the day, and flying 



THE HERCULES BEETLE. 



about at night with a loud humming noise apparently to 

 enjoy the air, of which they are deprived in the daytime. 



The megasominac is of an enormous size, as is also the 

 beautiful Inca beetle. 



