48 GEODEPIIAGA — CARABIDAE. 



Black, sliining ; legs and retlcxed margin of elytra pitcli- 

 l)ro\vn. Elytra large, with very fine striae and flat inter- 

 stices, the third with three impressions. L. 3^ 1. Eatlier 

 common. A. atratus, Duft. 



b, Tliorax about as long as, or longer than, In'oad. 



J. Elytra with a more or less distinct greenish re- 

 flection. 



1. Thorax scarcely narrowed hehind. 



Dark l)ronze-green, shining; under-side hlack ; reflexed 

 margin of elytra, l)asal joint of anteimae and the legs 

 l)rownish. The third interstice on elytra with three or four 

 impressions. L. 3 1. Not uncommon. A. micans, Nic. 



2. Thorax narrowed behind. 



Shining black, elytra with a greenish reflection. Side 

 margin of thorax narrowly raised ; elytra somewhat dilated 

 behind, with shallow striae, the third interstice with five 

 faint impressions. L. 3 1. Eather common. 



A. scitidus, Dej. 



IT, Elytra deep black or brown. 



1, Thorax not narrowed behind. 



Head and thorax pitch-black ; elytra and legs l)rown. 

 Elytra oblong, with very fine, simple striae, interstices flat, 

 the third with four or five impressions. L. 3 1. Eather 

 common. A. piccus, Lin. 



2, Thorax narrowed behind. 



A A, Legs black. 



Entirely black ; elytra oljlong, with fine striae, and four 

 or five impressions in tliird interstice. L. 3 1. Eatlier 

 common. A. gracilis, Gyll. 



Ji H, Legs lighter or darker brown. 



a ((. P>ody moderately Ijroad ; posterior angles 

 of thorax completely rounded. 



Head and thorax black ; elytra usually reddish pitch- 

 brown, but sometimes blackish. Elytra ovate. L. 3 1. 

 Connnon. A. fuliginosus, Panz. 



h h. Body elongate ; posterior angles of thorax 

 not alto<!ether rounded. 



