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TABLE OF COLEOPTERA. 



SECTION I. PENTAMERA. Tarsi, five-jointed. 



Antennae long and slender.* 

 Maxillse with two palpi. 

 Habits predaceous. 



SUBSECTION I. ADEPHAGA (Ravenous Beetles). 



I. Geodephaga (Land Ravenous Beetles). 



Legs formed for running. 



1. Maxillse ending in a moveable claw. 

 Ex. Cidndela (Tiger Beetle}. 



2. Maxillse not ending in a moveable claw. 

 Ex. Brachinus (Bombardier). 



Carabus. 



II. Hydradephaga (Water Ravenous Beetles). 



Legs formed for swimming. 



1. Front legs short, antennse long. Fore tarsi of 



male sometimes forming a disc. 

 Ex. Dyticus. 

 Acilius. 



2. Front legs long. Antennse short. Four hind 



legs greatly dilated. 

 Ex. Gyrinus 



* Except Gyrinus. 



