68 GEODErHAdA — CARARIDAE. 



The variety griscus, Panz. is smaller, and has the thorax 

 punctured only at base, with the posterior angles not so 

 sharp. 



C liody not hairy. Head impunctate, tliorax not punc- 

 tured except sometimes at base ; elytra not punctured 

 save occasionally on the outer interstices. 



a. Length exceeding 3 lines. 



I, Tliorax liroader at anterior margin than at poste- 

 rior margin. 



1, Outer interstices of elytra not punctured. 



A A, Antennae red, the second, third, and 



often also tlie fourth joints blackish at base ; 



tibiae pitchy. 



Colour variable, bronze, green, or blackish. Base of 



thorax with a deep punctured longitudinal impression on 



each side, otherwise impunctate, posterior angles almost 



right angles ; elytra very slightly sinuate behind, the 



seventh interstice generally witli a few imj)ressions at 



apex. L. 4 1. Eather common. H. ignavus, Duft. 



li Jt, Antennae entirely red ; tiliiae red. 

 ft (f. Base of thorax with a strong oblong 

 impression on eacli side. 



lUuish-black above; brown-black beneath. Thorax more 

 narrowed l)ehind than in H. ignavus, posterior angles more 

 obtuse ; elytra more sinuate before apex, the seventh inter- 

 stice always without impressions. L. 3f 1. Eare. 



H. sul2jhuriijes, Germ. 



h h. I)ase of thorax with a broad depression 



on each side. 



Pitchy-lilaclc above. Body narrower than 11. ignavus, 



thoi'ax nunc niuiowed l)ehin(l, ])()sterior angles right angles ; 



elytra less sinuate behind, the seventh interstice without 



impressions. L. oi — 4 1. Eather common. 



H. conscntaneics, Dej. 



2. UuttT interstices of elytra finely punctured. 

 Colour variable, green, bronze, or blackish ; antennae 



and legs red ; under-side black. Thorax not nnich nar- 

 rowed behind, posterior angles not pointed, rather obtuse, 

 base punctured, except in middle, with a feeble longitu- 

 (liiiid ini])]'ession on each side; elytra strongly sinuate 

 lieliind. L. 5 1. C(mnnon. IL 2>'i'otci(s, Tay\\. 



