Note on a collection of Amphibians and Reptiles from Western Sumatra (Indonesia), with the description of a new species of the genus Bufo Teynié, Alexandre David, Patrick Ohler, Annemarie Zootaxa 2010 2416 1 43 4GWK6 Gravenhorst, 1829 Gravenhorst 1829 [151,614,1141,1167] Amphibia Bufonidae Phrynoidis Animalia Anura 2 3 Chordata species asper   Material examined. MNHN2003.3371 (young male; SVL 48.7 mm), MNHN2003.3372 (juvenile; SVL 50.5 mm), vicinity of Lubuksao, Province of Sumatera Barat, elev. about  400 m.– Several specimens observed on slopes of Mounts Tigapulan, Province of Riau.  Taxonomic comments. The two young specimens were collected. Parotoid glands are rounded, slightly triangular typical for this species ( Inger 1966). Snout is distinctly projecting and tympanum very small; feet are half webbed; highly tuberculated.   Distribution on Sumatra. This species is known from all over Sumatra.   Biology. A relatively common species, in particular near forest creeks; found active by night and sometime at daytime. Observed in August and November.