. Danmarks fauna; illustrerede haandbøger over den danske . Fig. 159, 160. Ceratophyllus farreni farreni. Det omdannede 9. bag- kropsled og sternum VIII (159) og sternum VII og sædgemmet samt konturen af sternum VII hos 5 hunner for at vise variationen (160).. 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