Figure 2 in Geometric morphometrics of mandibular shape in the dwarf fat-tailed jerboa: relevancy for trinomial taxonomy

Figure 2. Projection of dwarf fat-tailed jerboas (Pygeretmus pumilio) on the first two discriminant functions (DF) derived from discriminant function analysis on Procrustes coordinates, with subspecies as an calssification variable. Proportion of variance explained by each DF is in parenthesis. Polygons enclose extreme specimens within each subspecies. Symbols for subspecies are the same as in Figure 1. Large symbols show the position of group centroids. Wire-frame graphs show shape changes along the two DF axes for the unit of 10 in the negative and positive direction (black) compared to the mean shape (grey).