SYSTEM OF INSECTS. 393 
the crepitant Eupodina belong, containing those which 
from their usually truncated elytra MM. Latreille and 
Dejean have named Truncatipennes*: these, to shorten 
the name, I call Truncipennuna. ‘This brings us down to 
the lowest group formed out of genera and subgenera ; 
or the family, which from its principal genus is named 
Brachinida, and which leads us to the genus Brachinus, 
and the subgenus Aptine. Thus we get the following 
scale, expressing every division of an Order, till we ar- 
rive at its lowest term, or the species that compose it. 
SUBORDER 
Chilopodimorphita M‘L. 
SECTION 
Adephagana Clairv. 
SUBSECTION 
Geodephagena M‘L. 
TRIBE 
Eupodina 
SUBTRIBE 
Amaurona 
STIRPS 
Truncipennuna Latr. 
FamiLy 
Brachinide 
GENUS 
Brachinus 
SUBGENUS 
Aptine. 
In the construction of this scale I have endeavoured 
a 
Coléopt. @ Europe i. 79. 
