View of the head of a male rhinoceros in London Zoo, after the animal lost its horn in August 1870. Fig.2 in Sclater, P.L., 1871. Exhibition of, an remarks on, a horn of the male Indian rhinoceros (Rhinoceros unicornis). Proceedings of the Zoological Society of London 1871 January 3: 8-11, figs. 1-3
