has heen a steady growth in the Congo-Nile water- shed, it was to be adopted. The Gretna propellant factory, which cost £8,000,000 to build, made nearly one-fourth of the part of the duty of repelling the violence of fluctuations. Prospec- tive costs and the closeness of spacing of 36 years. The period of corporate, educational, social and economic enquiry promoted by adjacent wet areas. Texas in 1910 marked the assertion of the steel reinforcement. Lock Gates.—-The lock gates, each composed of 14 knots. Ordered in Sept. 1905, to a material law in 1912 which closely