. Danmarks fauna; illustrerede haandbøger over den danske 35. Fig. 21. Pulex irritans c?. Det omdannede 9. bagkropsled (d. v. s. par- ringstangen ( = tergum IX) og sternum IX). — Fig. 22—24. Ar- chaeopsylla erinacei erinacei. Hoved og pronotum cJ (22), sædgem- met (23) og parringstangen (24).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Dansk naturhistorisk forening. København, G. E. C. Gad

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Keywords: ., bookauthordansknat, bookcentury1900, bookdecade1900, bookyear1907