(Page 499) 

 elytra, robustly and very densely punctated, forehead hardly impressed 

 and with two rather feeble grooves, separated by a flatly convex inter- 

 val; antennae short; pronotum mucn narrower than elytra, fully as long 

 as broad before the middle, anteriorly and posteriorly narrowing, with 



(Page 500) 

 robust and especially dense, somewhat rugous punctation, without groove 

 in middle-line; elytra considerably longer than pronotum, uneven, with 

 particularly dense, robust and especially posteriorly rugous or con- 

 fluent punctation; abdomen rather finely and densely punctated, its 

 first four free dorsal joints with four, very distinct carinae at base. 

 L. 3.5-4 mm. 



In the o the middle and hind tibiae on inner side above the tip 

 with a small spine; the abdominal fifth ventral joint is feebly emar- 

 ginated, the sixth at tip rounded-itiBurved- 



Distributed in Europe; rather rare in Denmark; in alluvium at lakes 

 and on the ocean beaches under seaweed, numerous in spots. 



20. St. buphthalmus iravh. 



(iravh. Uicr. 156; Zrichs. Kaf. Jik. Br. I, 536; Jen. Spec. Staph. 

 699; Kraatz Ins. D. II, 752; Thorns. Skand. Col. II, 220; Rey Erevip. 

 1884, 101; Janglb. Kaf. M. II, 572). 



One in size and of appearance changeable species, best recognized 

 by the particularly dense, somewhat rugous punctation of the thorax, 

 ar.d by the proportionally short elytra. 



Deeply black; the thorax scarcely glistening, dorsally with extreae- 



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