The article presents the abstract of the paper "Feeding Ecology of the Black-Shanked Douc Langur in Nui Chua National Park and Phuoc Binh Nature Reserve, Vietnam," by D.M. Hoang and G.S. Baxter, to be presented at the 21st Congress of the International Primatological Society in Entebbe, Uganda from June 25 to 30, 2006.