(Page 611) 

 l£ times as broad as long, feebly narrowing posteriorly, with rectangular 

 bind corners, dorsum robustly and densely punctated, with two deep longi- 

 tudinal impressions at middle, and posteriorly impressed side-margins; 

 elytra about twice as long as pronotum, robustly and very densely, some- 

 what rugosely punctated; abdomen scarcely punctated. L. 2 mm. 



Distributed in Middle and North Europe. Very rare here; found in com- 

 post, alluvium, under seaweed, carrion, and at outflowing tree sap. 



(Page 612) 



(Vicinity of Copenhagen, Valla; Haderslev; Lindum Forest, south of Hobro, 



Aalborg at the Fjord, and other places). 



7. 0. caesum Jravh. 



(iravh. Mon. 209; Erichs. Kaf. Mk. Br. I, 630; GJen. Spec. Staph. 876; 

 Kraatz Ins. D. II, 981; Thorns. Skand. Col. Ill, 214; Rey Bre'vip. 188C, 214; 

 dang lb. Kaf. M. II, 736). 



Among the closest allied species identified by flat forehead and fine, 

 linear forehead -grooves. 



Black, a little shining; the head with exception of fore-margin dull; 

 pronotal side- and hind-margins not infrequently brownish-red; elytra often 

 brown; antennae black at base, distally toward the tip most often reddish- 

 brown; legs reddish-yellow. 



The head at middle and posteriorly with robust and very dense, somewhat 

 rugose punctation, at fore-margin with scattered or simple punctation, fore- 

 head flat, with two linear grooves before the ocelli, and two very flat im- 

 pressions anteriorly, temples half as long as the eyes, obliquely rounded 

 off, antennae smoothly thickened distally. Pronotum is narrower than elytra. 



-56- 



