THE STARS. A Study of the Universe. By Professor NEWCOMB. THE COMPARATIVE PHYSIOLOGY OF THE BRAIN AND COMPARATIVE PSYCHOLOGY. By Professor JACQUES LOEB, M.D., Professor of Physiology in the University of Chicago. RIVER DEVELOPMENT. As Illustrated by the Rivers of North America. By Professor I.C. RUSSELL. Illustrated. THE STUDY OF MAN. An Introduction to Ethnology. By Professor A.C. HADDON, D.Sc., M.A. Illustrated. EARTH SCULPTURE. By Professor GEIKIE, LL.D, F.R.S. Second Edition. Illustrated. VOLCANOES. By Professor BONNEY, D.Sc., F.R.S. Illustrated. THE GROUNDWORK OF SCIENCE. By ST. GEORGE MIVART, M.D., Ph.D., F.R.S. A BOOK OF WHALES. By the Editor of the Series, F.E. BEDDARD, M.A., F.R.S. With 40 Illustrations by SIDNEY BERRIDGE. * * * * * London: John Murray, Albemarle Street, W.