Charles Darwin's Observations on the Behaviour of Earthworms and the Evolutionary History of a Giant Endemic Species from Germany, Lumbricus badensis (Oligochaeta: Lumbricidae)
Figure 6
Photograph of a giant Black Forest earthworm (adult individual of Lumbricus badensis) in its natural habitat. Note that the worm is anchored with its anterior body part in its burrow (adapted from [36]).