■ Problems of prosperity: Nigeria's budget to be presented later this month, will not introduce any dramatic changes, according to informed sources. It will be designed mostlyjust to hold the line for a short time until the next Budget in December. ■ Gloomy prospects for Sierra Leone: A correspondent reports on the annual banquet speech of the Governor of the Bank of Sierra Leone—a new Governorthis year, Mr. A. S. C. Johnson- and the response of the Minister of Finance, Mr. Francis Minah. ■ Land of disenchantment:In the second of two articles on Senegal's crises a correspondent looks this week at the political tensions within the country. ■ Colonising Volta valleys: A correspondent looks at some of the problems of over-hasty planning. Development of River basins is a thorny topic in West Africa: the Senegal river projects organised by the OMVS are in trouble ■ Economic and business news: Businessmen and the budget: Great expectations are being placed on Nigeria’s next Budget on April 1as Stanley Macebuh said in his article