An attempt was made to clarify the position regarding the types ofPresbytis barbei Blyth present in the Zoological Survey of India, Calcutta. The presence of asymmetrical white patch at the interior base of the thighs in the female specimen, which is in the nature of an individual variation, establishes its identity as one of the syntypes. The change in the colour of lips from white to black is probably due to the use of chemicals on the soft parts of the face or subsequent falling of white hairs of the lips, as these specimens were exhibited in the galleries of the Indian Museum.