Tree Frog from Sarawak. Drawing of a tree frog by Alfred Russel Wallace - hand coloured. Drawn looking down onto the back of the frog spread out showing webbed feet. Writing in the bottom left hand corner Rhacophorus n s, Treefrog sarawak (a little under natural size). In right hand corner Back & limbs dark green, beneath and under toes yel, web black at base, yellow taged? at margins, legs not at all banded, glossy dark uniform green