Comparison of the head pholidosis among the holotypes of Bothrocophias microphthalmus, Bothrocophias tulitoi sp. nov. and Bothrocophias myrringae sp. nov. A, B, C Dorsal, lateral, and ventral view of the head of B. microphthalmus ANSP 11515. D, E, F Dorsal, lateral, and ventral view of the head of B. tulitoi sp. nov. INSZ 073. G, H, I Dorsal, lateral, and ventral view of the head of B. myrringae sp. nov. Scales: dark green = second/third supralabial scale. yellow = lacunolabial/prelacunal. Blue = internasal scales. Fuchsia = scale separating internasal scales.