The epimorphic status of geophilomorphs has been questioned several times during the last decade. The variation in number of segments for Strigamia maritima (Leach) from a population in Western Norway is described. The total material shows a significant increase in the number of segments from the foetus to the maturus senior stadium. However, divided into males and females this increase is clearly shown to be caused by a shift from males dominating in the younger stadia to females dominating in the older stadia. The epimorphic status of the geophilids is not violated by our investigation on S. maritima.