offices until 28 February 1906. On that date, the two territories were formally united and Egerton was appointed Governor of the new Colony and Protectorate of Southern Nigeria, holding office until 1912. In the new Southern Nigeria, the old Lagos Colony became the Western Province, and the former Southern Nigerian Protectorate was split into a Central Province with capital at Warri and an Eastern Province with capital at Calabar.

When his predecessor in Southern Nigeria,