For Germany, Commissioner-General Lewald responded in an eloquent address, in which, after thanking the Exposition and the American Government for the high honor done the German nation in selecting so large a percentage of the speakers from German scientific circles, he enlarged upon the close relations which had existed between German university thought and methods and American thought and practice, due to the vast number of American students who had pursued their post-graduate courses in the universities of Germany. He dwelt upon the pride that Germany felt in this sincerest form of tribute to German supremacy in scientific thought, and of the satisfaction which the influence in this country of German-trained students afforded. He described at length the great exhibit made by German universities in the education department of the Exposition, and pointed to it as demonstrating the supremacy of German scientific thought and accurate methods. Dr. Lewald closed with a brilliant peroration, in which he referred to the immense service done for the cause of science in the last fifty years of German history and to the patronage and support of the Emperor, not only to science in general, but to this great international gathering of scientific experts, and drank to the continued cordial relations of Germany and America through its university circles and scientific endeavors. For the response from France, Prof. Gaston Darboux was delegated by Commissioner-General Gerald, who was unable to be present on account of sickness. In one of the most beautiful and polished addresses of the evening, Professor Darboux spoke in French, of which the following is a translation:--