FIGURE 8 in A new species of small and highly abbreviated caecilian (Gymnophiona: Indotyphlidae) from the Seychelles island of Praslin, and a recharacterization of Hypogeophis brevis Boulenger, 1911

FIGURE 8. (a) Histogram depicting the frequency of the number of vertebrae, (b) box plot summarising variation in the ratio between eye-tentacle/eye-naris distances for Hypogeophis brevis (grey) and H. pti sp. nov. (black), (c) Principal components analysis (PCA), and (d) principal coordinate analysis (PCoA) for all head measurements for H. brevis (grey circles) and H. pti sp. nov. (black squares).