
Two skulls of Ceratotherium simum cottoni illustrating subspecific character of greater dorsal elevation of lambdoidal crests. Plate 18 in Heller, E., 1913. The white rhinoceros. Smithsonian Miscellaneous Collection 61 (1): i, 1-56

Two skulls of Ceratotherium simum cottoni illustrating subspecific character of greater dorsal elevation of lambdoidal crests. Plate 18 in Heller, E., 1913. The white rhinoceros. Smithsonian Miscellaneous Collection 61 (1): i, 1-56