FIGURE 4 in Morphological variation, polymorphism, and Taxonomy of the Atractus torquatus complex (Serpentes: Dipsadidae)

FIGURE 4. Variation of the blotch condition on the nuchal region to the specimens of the Atractus torquatus from Balbina Hydroelectric Plant, municipality of Presidente Figueredo (FMT 1358) (A), municipality of Manaus (FMT 338) (B) and municipality of São Miguel da Cachoeira (INPA 15760) (C). All specimens come from localities in the state of Amazonas in Brazil and they are part of Guiana Shield populations.