FIGURE 3 in Patterns of head shape and scutellation in Drymarchon couperi (Squamata: Colubridae) reveal a single species

FIGURE 3. Box and whiskers plot of distribution of ratio of dorsal posterior-most temporal scale length to head length in four categories of temporal scales (see Figure 1). Vertical lines indicate range; box indicates interquartile, horizontal line indicates median; open diamond indicates mean.