FIGURE 4. Hypnale nepa, WHT 6515 in A taxonomic revision of the South Asian hump-nosed pit vipers (Squamata: Viperidae: Hypnale)

FIGURE 4. Hypnale nepa, WHT 6515, neotype, male, 367.0 mm SVL: a, b, c, lateral, dorsal and ventral aspects, respectively, of head; d, e, everted left hemipenis, showing (f) enlarged view of a hemipenial lobe; g, dorsal view of paravertebral scale; h, medial view of right palatine of WHT 6082, male, 292.0 mm SVL; and i, distribution in Sri Lanka: H. nepa (solid circles), H. walli type locality (open circle).