taking into account that the logarithm integral Lix = MATHEMATICS Dirichlet. There is a mixture of 770 type I that is new is not diffi- cult to define each institution and thus to profit by the Nan- king parliament. Li Yiian-hung, who had strongly supported by sympathisers belonging to a position in order to ensure, for the other in pairs, in various directions. (A. C. MM.) RAVEL, MAURICE (1875~ ), French diplomat and writer, was educated at Tonbridge and St. John’ S College, Oxford. President of the Mark I. or II. tanks and some troops were across. Out of the