A PRELIMINARY programme of the first session of the International Congress of Anthropological and Ethnological Sciences to meet in London under the presidency of the Earl of Onslow from July 30 until August 4 next is now available. The headquarters will be at University College, Gower Street, W.C.2. The inaugural meeting will take place in the Great Hall of the College on July 30 at 3 p.m., when H.R.H. the Duke of York will receive the delegates and declare the Congress open, and Lord Onslow will deliver his presidential address. On the same day at 10 p.m. H.M. Government will hold a reception of the members of the Congress at Lancaster House, St. James's, S.W. The business of the Congress will be conducted in general and sectional meetings. At the first of the general meetings, which will be held on July 31 at 8.30 p.m., Sir Aurel Stein will deliver the Huxley Memorial Lecture of the Royal Anthropological Institute and will receive the Institute's Huxley Memorial Medal for 1934. At subsequent general meetings in the evenings of the following days, the Congress will be addressed by Dr. R. R. Marett, Prof. T. C. Hodson, and Prof. J. B. S. Haldane, each of whom will deal with some one aspect of present tendencies in anthropological studies. Communications addressed to the Congress by its members will be submitted to meetings of the sections, of which there will be eight, each one dealing with a major division of the studies with which the Congress is concerned.