Outlines of Burmese Rhinoceros (above) [sondaicus] and Indian Rhinoceros (below) [unicornis] to show difference in skin-folds.
p. 188 in Finn, F. 1929. Sterndale’s Mammalia of India: a new and abridged edition, thoroughly revised and with an Appendix on the Reptilia. Calcutta and Simla.
