Abstract
The occurrence of extinct forms of rhinoceroses in the Lower Miocene deposits of Dera Bugti in Baluchistan has been known for a long time. As far back as 1881 Lydekker described species from rather fragmentary material and later, in 1912, Pilgrim added very considerably to our knowledge of the fauna from the results of his own expedition to the locality. The present account deals with specimens collected by myself during two expeditions to Dera Bugti in the years 1910 and 1911. The material available for description is unfortunately for the most part very fragmentary. In only one instance was a moderately complete skull found in association with its lower jaws. Specimens were obtained at various points round the Zen Koh range and were usually picked up as fragments washed out into the nullahs and therefore are of uncertain zone. At Kumbhi there were traces of a bone bed, but with its specimens much broken up. At Churlando, on the opposite side of the range, a better bone bed occurs, though even here there was very little association of the remains.

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