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 posterior margin inside the outer corners tnouryed; abdomen equally broad 

 or broadest across the fourth and fifth free joints, from there feebly nar- 

 rowing anteriorly and tapering posteriorly; ixs first four free dorsal joints 

 strongly depressed at base, the legs are slender, all tarsi 5-jointedj 

 first joint of middle-tarsi short, very little longer than the second, first 

 joint of hind tarsi as long as the three following joints together, much 

 longer than the claw-joint. Sex-characters do not appear. 



The species favour shaded places on damp ground, vjhere they live hid- 

 den under leaves and other plant-cover. Throughout Middle and North Eu- 

 rppe 6 species are distributed, of which at least 5 also are found in this 

 country. 



Key to Species. 



1. Pronotum v.ith especially fine and dense punctation, dull, most often 



with a distinct longitudinal groove in the middle-line 2. 



Pronotum less densely punctated, more or less glistening, without 



longitudinal groove 3. 



2. Abdomen somewhat glistening, anteriorly with dense, posteriorly scat- 



tered punctation. L. 4.5 mm 1. 3. nigrita Mannh. 



Abdomen entirely dull, all over extremely densely punctated. L. 3 mm. 

 2. G. protensa Mannh. 



3. Abdomen extremely densely and finely punctated, with rather dull 



gloss. L. 2-2. L mm 3. C. aethiops Jravh. 



Abdomen with more or less isolated punctation and glistening 4. 



4. Forebody strongly glistening, finely haired, elytra without or with 



insignificant scabrous puncttiiion 5. 



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