FIGURE 19 in Disentangling vines: a study of morphological crypsis and genetic divergence in vine snakes (Squamata: Colubridae: Ahaetulla) with the description of five new species from Peninsular India

FIGURE 19. Images of Ahaetulla borealis sp. nov. Images of holotype BNHS 3590 (CESS421). (a) Head lateral, (b) Head dorsal, (c) Ventral section, (d–e) Everted hemipenis, (f) Whole specimen. Live uncollected individual from Siddapur (Jog Falls), (g) Threat display of CESS104 from Matheran and (h) Head lateral of CESS103 from Matheran (Images a & b; d & e to scale, other images not to scale).