FIGURE 2. Bivariate plot with 95 in Geographical variation and taxonomy of the snail-eating snake Dipsas albifrons (Sauvage, 1884), with comments on the systematic status of Dipsas albifrons cavalheiroi Hoge, 1950 (Serpentes: Colubridae: Dipsadinae)

FIGURE 2. Bivariate plot with 95% confidence regions for the first 2 axes derived from scores of PCA analysis of female (A) and male (B) populations of Dipsas albifrons. (C, D). Black dots = States of Paraná and Santa Catarina; black squares = Queimada Grande Island; and black triangles 3 = State of Espírito Santo.