Kaffirs : Descendants of enslaved Africans (The Kaffirs were brought to Sri Lanka by the Portuguese, Dutch and British, as a part of the naval force and for domestic work. Portuguese seafarers carried the first kaffirs to what was then Ceylon in the 1500s, most likely from Mozambique. Later, British colonists brought others to fight against Ceylonese armies in "kaffir regiments.")
Sri Lanka's Lost Tribe - The Nittevo (The Nittevo are said to have been a dwarfish race of men who lived in the Mahalenama region now within the Yala East Intermediate Zone and the Tamankaduva area. These folk are believed to have been exterminated by the Veddas about 250 years ago)
Ethnic Distribution in Sri Lanka - Map
Sri Lankanness : do we have 'races' or, are we hybrid? ( Sri Lankan in todays multi-ethnic and pluralistic context within the territory Sri Lanka)
Ethnic Diversities and linkages in Sri Lanka ( Prof. Stanley Tambiah, after years of painstaking research, has come to the conclusion that the Sinhalese and the Tamils share many parallel features of "traditional caste, kinship, popular religious cults, customs and so on.)