International Scientific Series. 



Professor EUDOLPH VIUCHOW (of the University of Berlin). 

 MORBID PHYSIOLOGICAL ACTION. 



Professor ALEXANDER BAIN, LL.D. 



RELATIONS OF MIND AND BODY. 



Professor BALFOUR STEWART, LL.D., F.R.S. 



THE CONSERVATION OF ENERGY. 



Dr. H. CHARLTON BASTIAN. M.B., F.R.S. 



THE BRAIN AS AN ORGAN OF MIND. 



HERBERT SPENCER, Esq. 



THE STUDY OF SOCIOLOGY. 



Professor WILLIAM ODLING, F.R.S. 



THE NEW CHEMISTRY. 



Professor W. THISELTON DYER, B.A., B.Sc. 



FORM AND HABIT IN FLOWERING PLANTS. 



Professor W. KINGDON GLIFFOED, M.A. 



THE FIRST PRINCIPLES OF THE EXACT SCIENCES 

 EXPLAINED TO THE NON-MATHEMATICAL. 



Mr. J. N. LOCKYER, FR.S. 



SPECTRUM ANALYSIS. 



W. LAUDER LINDSAY, M.D., F.H.S.E. 

 MIND IN THE LOWER ANIMALS. 



Dr. J. B. PETTIGREW, M.D., F.R.S. 



WALKING, SWIMMING, AND FLYING. 



Professor A. C. RAMSAY, LL.D., F.R.S. 



EARTH SCULPTURE : Hills, Valleys, Mountains, Plains, Rivers, 

 Lakes ; how they were Produced, and how they have been Destroyed. 



Dr. HENRY MAUD3LEY. 



RESPONSIBILITY IN DISEASE. 



Professor MICHAEL FOSTER, M.D. 



PROTOPLASM AND THE CELL-THEORY. 



