(Page 60 

 as silky glistenin^- or its punctation as fine as in this genus. In plcina 

 and maurta the legs are more slender than in the other two species, and the 

 first joint of hind tarsi somev.hat more elongated; in all, the tarsi are 

 5-jointed, first joint of hind tarsi longer than the second, about as long 

 as the clavv-joint. 



The species abide on damp marsh or forest ground under leaves or in 

 alluvium. 



(Page 70) 

 Key to Subgenera and Species. 



1. Pronotum distinctly broader than long, as broad or nearly as broad 



as elytra 2. 



Pronotum hardly broader than long, distinctly narrower than elytra. :3. 



2. Mandibular tooth small. Head and pronotum comparatively robustly punc- 



tated: 1. subgenus Poromniusa Janglb. - Head rather small, much 

 narrower than pronotum, this not or very feebly grooved in middle- 

 line. L. 2 mm 1. 0. procidua Kr^ 



Mandibular tooth robust and acute. Head and pronotum finely punctated: 



2. subgenus Uniusa Muls.- Head large, as broad as pronotum, which 



at middle-line is flatly grooved. L. 2.5-:5 mm.: 2. 0. incrassata I.luls. 



3. Abdominal first three free dorsal Joints deeply aepressed at base: 



3. subgenus Ocyusa s. str. Muls. - Antennae dark with reddish-yel- 

 low base. L. 1.8-2.2 mm 3. 0. maura Er. 



Abdominal first four free dorsal joints deeply depressed at base: 4. 

 subgenus Deubelia bernh. - Antennae yellowish-red. L. 2.5-3 mm.. 



4. 0. picina Aube. 



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