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Growth and Strategy of French Tropical Tuna Fishing. — Started at the beginning of the 1950's by the private fishing boat owners of Saint-Jean-de-Luz, the fishing of tropical tuna has experienced remarkable technilogical changes with the result that today this is the most dynamic sector of French maritime fishing. It is practised by integrated shipping companies based in Boulogne and in Brittany which hadn't hesitated to invest heavily, in a difficult business climate, in order to outfit themselves with a fleet of 25 particularly efficient deep freezing seiner tuna ships. Their crews, formed of very well-paid specialized sailors, originate from Cornouaille, which explains the choice of Concarneau as home port for the entire fleet. It is in the tropical and equatorial waters of the Atlantic Ocean, off the African coast, where the French deep freezing tuna ships operate ; but the decline in catches during the past several years has led them to prospect and fish in new fishing zones located in the Indian Ocean. A major portion of the catches occurring within 200 miles of the various neighbouring countries, the shipowners and the French government are obliged to negotiate, often through the European Common Market Commission, fishing accords upon which the profitability of these units depends. The financial health of this tuna fishing form is also tied to possibilities of supplying the national and international markets. In addition to France, the three principle purchasers of tropical tuna are Africa, Italy and the U.S.A. ; but the American market is prone to periodic periods of recession which seriously affect the balance sheets of the French shipowners.

The Consumption of Domestic Energy Resources in the Cities of Black Africa. — This paper deals with the problem of supplying Black African cities with domestic energy forms. After setting out several methods of evaluating the energy consumption of urban households, and after defining and analyzing the economic, social and local determining factors of demand, the author criticizes the rapid introduction of modern energy forms in the cities of Africa. He suggests measures likely to initiate a solution to the severe ecological risks that the irresponsible exploitation of fire wood and uncontrolled production of charcoal pose to forest ecosystems.

Road Transportation and Domestic Economy in Rwanda. — Transportation by road in Rwanda didn't begin to be developed until 1924, with the foundation of a real road system and the appearance of the first automobiles. These took the succession of man porters, the means of hauling used both by producers as well as by consumers between the periodic rural markets. Along with the growth of transportation means, the business structure changed markedly and money was more and more widely used. The main regional and interregional exchange systems as well as the transportation of passengers between the principle towns are studied by the author and assessed for their importance in the general economy of the country.