(Page 233) 

 very elongate, the fourth contrariwise extremely short and fine, scarce- 

 ly visible; labial palpi very long, fine, apparently only two-jointed. 

 Pronotum anteriorly a little narrower than the head, convex, with 

 anteriorly rounded, posteriorly constricted, incurvate sides and here 

 much narrower than elytra, which most often are shorter than pronotum, 

 and of which the posterior margin inside outer corners is not incurved. 

 Abdomen of uniform breadth or feebly broadened posteriorly, its first four 

 free dorsal joints transverse-grooved depressed at base, the fifth longer 

 than each of the preceding; legs rather robust with large protruding fore- 

 coxae; tibiae haired with a few spines at the tip; all tarsi short, 4-joinV 

 ij ed, claw-joint comparatively thick and provided with peculiar, angulate bent 

 claws; first joint of hind tarsi hardly as long as the two following, short 

 joints together, as long as the claw-joint. 



The species, few in numbers, live exclusively on the ocean beach, where 

 they dig -themselves into the sand and under stones where they often are wash- 

 ed over by the tide water. In this country 1 species is found, which to- 

 gether with an other, closely allied species, is distributed at the coasts 

 of ^est Europe, 



(Page 284) 

 1. D. mersa Hal. 



(Hal. Ent. Mag. IV. 252; Muls. et Fey Brevip. 1873, 84; langlb. Kaf. M. 



II, 314). 



Very small, narrow, wingless; in combination with the above described 

 generic characters identified by especially short elytra. 



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