Gauge was built (1901-1902)in Northern Nigeria between Barijuko on theKaduna and the capital, Zungeru, and proved most successful and lucrative.
Geographical Journal (London, 1904); A Tropical Dependency, by Lady Lugard (London, 1905); the Colonial Office Reports on Northern Nigeria from 1902 onward, and other works cited under NIGERIA.
In these circumstances it was judged advisable to place the territories of the Royal Niger Company, to which the general name of Nigeria had been given, under the direct control of the crown.
Steps have been taken to stimulate the native industry, and it is hoped that cotton may take the place in Northern Nigeria which palm oil and kernels occupy in the coast zone.
Calabar estuary is mainly formed by the Cross river (q.v.), but receives also the waters of the Calabar and other streams. The Rio del Rey creek at the eastern end of the estuary marks the boundary between (British) Nigeria and (German) Cameroon.
For this reason, amongst others, no census had been taken up to 1906 of Northern Rhodesia, the British possessions and protectorates of eastern Africa, or, again, of Nigeria and the protectorates attached to the West African colonies of Gambia, Sierra Leone and Lagos.
It is officially known as the Abeokuta province of the Southern Nigeria protectorate.
The population of Nigeria is estimated at 15,000,000.
Brackenbury, A Short Vocabulary of the Fulani Language (Zungeru, 1907); the articles Nigeria and Sokoto and authorities there cited.
See also Lady Lugard, A Tropical Dependency (London, 1905); Boyd Alexander, From the Niger to the Nile (London, 1907); C. Larymore, A Resident's Wife in Nigeria (London, 1908); the annual Reports on Southern and Northern Nigeria issued by the Colonial Office; E.