. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. Uperodon tystorna (13 0 gm) Microhyla ornaia (0 362 gm). Rana htiadacryla (99 64 gm) FIG. 1. Shapes and masses of the species studied. Figures in brackets are mean weights. Microhyla ornaia ( mm), M. rubra ( mm), Tomopterna rolandae ( mm), Uperodon systoma ( mm), Polypedates maculatus ( mm), /?a/za cyanophlyctis ( mm), fl. crassa ( mm) and R. hexadactyla ( mm). Abbreviations used include SVL (snout- vent length), HW (head width at the angle of the jaws, perhaps better
. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. Uperodon tystorna (13 0 gm) Microhyla ornaia (0 362 gm). Rana htiadacryla (99 64 gm) FIG. 1. Shapes and masses of the species studied. Figures in brackets are mean weights. Microhyla ornaia ( mm), M. rubra ( mm), Tomopterna rolandae ( mm), Uperodon systoma ( mm), Polypedates maculatus ( mm), /?a/za cyanophlyctis ( mm), fl. crassa ( mm) and R. hexadactyla ( mm). Abbreviations used include SVL (snout- vent length), HW (head width at the angle of the jaws, perhaps better defined as the gape), TBL (tibia length, the distance from the convex surface of knee to the convex surface of heel, with both tibia and tarsus flexed) and WT (wet body weight). Linear measurements were taken to the nearest mm with a Mitutoyo Dial Vernier Caliper, weights were taken to the nearest gm with an Acculab Electronic Balance (Model 333). To interpret shape changes, logarithmic transformations of the dimensions of the organ of each species were used in the function log y = b log x + log a (where x and y are the morphological variates), which has been considered to approximate shape change in most organisms (see Gould, 1966, for justification). Observations The assemblage of eight anuran species studied display a range of body forms (Figure 1) and sizes (Table 1). Except for the diminutive species of the genus Microhyla (maximum SVL and mm) and the large ranid, Rana hexadactyla (maximum SVL mm), all species were small to medium, with maximum SVL between to mm (mean ). A general impression is that some species are comparatively short and squat, while others are long and thin. To quantify differences, WT was divided by the cube of the SVL for individuals of each species. Three morphological groups along a continuum were recognized based on the patterns of body form (length-weight data in Table 2), which comprise species with similar e
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