328 INSECTS. 



B. Terminal joints of antennas slender. 

 * Rostrum short, thick, naked, curved. 

 Head narrowed into a neck. 

 Tarsi three-jointed. 



Family 7. Reduviidae. 



** Rostrum moderately long, three-jointed. 

 Abdomen flat, nearly round. 

 Wings wanting. 



Family 8. Cimicidaa. (Bed Bug, &c.) 



*** Rostrum long, four- jointed. 

 Body convex, soft. 

 Ocelli wanting. 



Family 9. Capsidae. 



