Comparative morphology of ultimate and walking legs in the centipede Lithobius forficatus (Myriapoda) with functional implications

Lithobius forficatus. a Habitus, view from lateral. Dashed rectangles indicate walking legs 10 and the ultimate legs. Note that the left ultimate leg (front) was damaged and regenerated. b Macrophotographs of ultimate leg (top) and walking leg 10 (bottom) from the same specimen, to scale. Coxae of both legs not shown, trochanter only partially shown. Note the difference in length of corresponding podomeres. Scale bar 500？μ