Horn of white rhino collected by Roualeyn Gordon Cumming (1820-1866) in South Africa in the 1840s. Gordon Cumming collected the longest horn (at that time) of the white rhino, measuring 62 1/2 inch (178 cm) in length, 22 1/2 inch (76.5 cm) in circumference, as well as the third longest (in photo) measuring 133.3 cm long and 54.6 cm in circumference. Photo taken in family collection in 2002. — This image is illustrated and placed in historical context in Rookmaaker, 2008. Encounters with the African Rhinoceros, fig. 90
