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CARL H. LINDROTH 



easily spread. In principle, this applies also to the Coleoptera of Greenland. 

 There, the Nearctic element contains a single flightless beetle, the StaphyUnid 

 Micralymma brevilingue Schio., fit for hydrochorous dispersal in salt water. 



Fig. ]. Species and subspecies of indigenous Coleoptera of the North Atlantic 

 islands and their occurrence in selected regions of the Holarctic. 



White = flying; black = flightless. (From Lindroth, 1957.) 



Essentially ditferent is the fauna of Baffin Island, separated from 

 Greenland by a strait only 350 km at its narrowest (that is, approximately 

 the same distance as from Iceland, ca. 300 km). The Coleoptera of Baffin 

 Island are truly Nearctic having one (Circumpolar) species in common with 

 Iceland, none with the Faeroes, and, respectively, two and three with the 

 British Isles and Scandinavia. All of them are flying forms. Actually, the 



