FIGURE 23 in Illustrated Key to the Snakes of the Philippines

FIGURE 23. Lateral view of head of (A) Ramphotyphlops marxi (FMNH 96520; a redrafting by EH of original image in Wallach 1993), (B) Malayotyphlops luzonensis (CM 2653; a redrafting by EH of original image in Wynn et al. 2016). Rostral scale (blue); arrow indicates either (A) beaked shape of rostral scale, or (B) rounded shape of rostral scale. Fig. A reproduced and modified with permission of V. Wallach and Journal of Herpetology. Fig. B reproduced and modified with permission of A. Wynn and Journal of Herpetology.