James Philip Mills CSI, CIE, FRAI (1890 – 1960) was a member of the Indian Civil Service and an ethnographer.
[2] In 1926 he advised the government on the administration of the Chittagong Hill Tracts and was acting Deputy Commissioner of Cachar 1927-8.
[3] Alongside his official tasks, Mills took an interest in ornithology, gathering information on birds and mammals for the Bombay Natural History Society, which was published in 1923.
[2] While at Oxford he had acquired an interest in anthropology and inspired by the curator of the Pitt Rivers Museum.
[3] This enabled him to visit little-known places north of the Bramhaputra such as the Subansiri and Lohit areas.