Fig. 4 in Skeletogenesis and sequence heterochrony in rodent evolution, with particular emphasis on the African striped mouse, Rhabdomys pumilio (Mammalia)

Fig. 4 Ossification of elements of the left hand (respective up- per row) and foot (lower row), in dorsal views, of Rhabdomys pumilio; black = ossified, grey = calcified. Number of specimens examined (N)= 1, except at stages a (N =16), f (6), g (2), n (9), y (4), and z (2)