256 CLASSIFICATION OF INSECTS. 



changes in the earth. Imago with moniliform antemKB ; 

 mandibles moderately short, very strong ; 

 maxillce terminate in a blade, sometimes 

 acute, but never articulated ; galea arti- 

 culate and palpiform. Carnivorous, chiefly 

 nocturnal, and during the day found prin- 

 cipally under stones and timber, at the 



Bombardier Beetle. ^^^^^ ^^ ^^^^^ -^ ^^^ ^^^^ ^^ graVCl-pitS, 



&c. ; sometimes flies, but not to avoid pursuit. Elaphrus, 

 Beinhidium, Harpalus, Carahus, Dyschirius, Brachmus, 

 figured in the margin, Bromius, Odacantha, Brypta. 



Tiger-beetles or Cicindelites. Larva with strong arcuate 

 mandibles, and fi-equently with two remarkable recurved 

 hooks on its back ; it is carnivorous, and lies in wait for 

 its prey in holes or dens, which it constructs in loose earth 

 or sand, in sunny places. Pupa changes in the holes of 

 the larva. Imago with strong, long, arcuate and deeply- 

 toothed mandibles, which cross each other at about half 

 their length ; blade of the maxilla acute and articulated ; 

 galea palpiform and articulated ; legs very long and slen- 

 der ; diurnal, carnivorous, of light and elegant form, and 

 brilliant colours. Runs with amazing activity ; flies]; to 

 avoid pursuit. Cicindela. 



Devil's coach-horses or Staphilinites. Larva with strong 

 mandibles ; active, mostly carnivorous. 

 Found under stones, at the roots of grass, 

 in rubbish -heaps, &c. Pupa changes in 

 the same situations, and is remarkable for 

 the compactness with which the limbs 

 are attached, giving it the appearance of 

 the amorphous class. Imago with mo- 

 niliform anteniKB ; mandibles strong and 

 rseudopsissuicatus. ^^^^^^ . ^^axm^ obtusc ; galea rounded 



and never palpiform. These beetles arc distinguished at 



