Figure 2 in A taxonomic study of Whitehead's torrent frog, Meristogenys whiteheadi, with descriptions of two new species (Amphibia: Ranidae)

Figure 2. Profiles of M. cf. whiteheadi. Patterns of upper lip were separated into five types: (A) pattern 1-a, several large black spots similar to those of lower lip; (B) pattern 1-b, irregular black blotches smaller than lower lip spots; (C) pattern 2, uniformly black; (D) pattern 3, uniformly grey; (E) pattern 4, uniformly white. Specimen vouchers: (A) BORNEENSIS 12560 from Mahua; (B) BORNEENSIS 12512 from Mahua; (C) BORNEENSIS 23302 from Wario; (D) BORNEENSIS 23340 from Wario; BORNEENSIS 12810 from Ulu Senagang.