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 with 4 deep and coarse, pitlike punctures, but outside of these with 

 only one large bristle-bearing puncture near the side-margin and a 

 few scattered punctures at the anterior corners. Elytra are a i time 

 longer than pronotum, v.ith fine, and especially dense punctation , and 

 in connection with their dense hair vestiture therefore dull; abdomen 

 likewise with especially dense, rather fine punctation, each of its 

 first five free dorsal joints with a single larger puncture on each 

 side. L. 7-9 mm. 



In the O (see above) the abdominal fifth ventral joint slightly 

 emarginate at tip, the sixth rather deeply incised, and with a feeble, 

 smooth groove in the middle-line. 



Fig. 118. Oafius xantholoma iravh. 



Eistributed at the coasts of Morth and Middle Europe. Everywhere 

 at our coasts under seaweed, sometimes numerous. The form with red 

 elytra (v. varie.^atus Er.) is rare in this country (Ro, Bornholm and 

 other places) . 



A somewhat larger species, C. clcatricosus Er., in which prono- 

 tum has only 1-2 pitlike dorsal punctures on each side of the middle, 

 is found at the coasts of England, France ,Altaly. 



71. vJenus P.emus Holme. 



(Holme Trens. Ent. Soc. Lend. II, 1837, 64; ianglb. Kaf. K. II, 

 463 (Subg.). - Pseud idus Muls. et Rey Drevip. 1877, 43C). 



From Philonthus and Cafius easily separated by this: the head and 



pronotum with fine, scattered, prostrate hair, the ground surface den- 



-157- 



