FIGURE 2 in Systematics and molecular phylogenetics of Asian snail-eating snakes (Pareatidae)

FIGURE 2. Variation in the frontal scale (top row) and the anterior pair of the chin shields (lower row) in Pareas. Both characters are shaded black. A & H: P. hamptoni (A–C, H–J all modified from Pope 1935); B & I: P. stanleyi; C & J: P. boulengeri; D & K: P. iwasakii (modified from Ota et al. 1997); E & L: P. nigriceps (modified from Guo and Deng 2009); F & M: P. carinatus (modified from Rao and Yang 1992); G & N: P. nuchalis (modified from Boulenger 1900).