THE ASTEMMA APTERA IV. 



573 



condition. There are some insects of this set, however, which 

 have ocelli on the forehead ; they are very common, and children 

 call them " soldiers and sailors," and they are always scrambling 

 and crawling over each other on the twigs of plants. They are 

 red and black in colour, or they may be of a general lead colour, 

 with red spaces toned down with black spots. 



The name of Bugs {Ciincx), which was applied by ancient 



Astentina aptera. 



authors to almost the whole of this division of the Hemiptera, 

 is now only given to those species with more or less egg-shaped 

 bodies, antennae very delicate towards the end, and heads slightly 

 narrowed behind. The type of this family is unfortunately well 

 known to almost everybody, and it is the common Bed Bug 

 {Ciniex Icctidarius). This insect nourishes itself almost exclu- 

 sively with the blood of man. Who does not know its habits } 

 During the day-time it remains hidden amongst the bed hangings, 

 and in the wood, in cracks in the walls, behind the wall paper, 



