FIGURE 3 in Taxonomic re-evaluation of the subspecies of Hebius vibakari (Boie, 1826) (Reptilia: Serpentes: Natricidae), with new evidence from central and northern China

FIGURE 3. Scatter plot of PC1 and PC2 of principal component analysis based on the morphometric measurements. Red dots indicate new records of H. vibakari from northern and central China, embedded in specimens from northeastern China indicated by black dots.