SYSTEMATIC ZOOLOGY. 127 
Section PENTAMERA. 
ANALYSIS OF THE TRIBES. 
A. Two palpi to each maxilla. 
All the legs similar .  Geodephaga. 
The four posterior legs flattened . Hydradephaga. 
B. One palpus to each maxilla. 
a. Elytra not covering the abdomen . SBrachelytra. 
b, Elytra covering the abdomen 
* Antenne not serrated. 
+ Palpi long . ; . Palpicornia. 
++ Palpi shorter. 
Antenne clavate . Clarvicornia, 
Antenne pectinated or la- 
melliferous. . Lamellicornia. 
** Antenne serrated. 
Prosternum produced in front Sternoxi. 
Prosternum not produced in 
front ; . Malacodermi. 
Tribe GEODEPHAGA. 
ANALYSIS OF THE FAMILIES. 
A. Maxille armed with a movable claw .. Cicindelidee. 
B. Maxille not armed with a movable claw. 
a Last joint of maxillary palpi at least as 
long as preceding. 
Anterior tibiz not notched near the 
tip. Carabidee. 
Anterior .tibize Lcatied in the inside 
near the tip . Harpalide. 
6 Last joint of external maxillary palpi 
minute . . BLembidiide. 
