INSECTS. 



I2 9 



other fleas ; others inarched to and fro armed with spears and hauling 

 cannon, while others still, as prisoners, dragged about chains and balls. 



Mosquitoes (Culicida). The gnats and mosquitoes 

 have long and slender mouth-parts, the sucker consisting 



FIG. 162. Metamorphosis of mosquito. Eggs, Urva, later stage on the 

 raft, and adult. 



of six bristles (Fig. 161) folded together in a gutter-like 

 case. Their legs are long, and body elongated and slen- 

 der, antennae fringed (Fig. 163). The eggs (Fig. 162) are 



