THE PROGRESSIVE SCIENCE SERIES 



Edited by F. E. BEDDARD,- M.A., F.R.S. 



(^American Editor PROFESSOR J. Me K.. CATTELL, M.A., PH.D.) 

 A LIST OF THE VOLUMES 



ALREADY PUBLISHED 



THE STUDY OF MAN : AN INTRODUCTION TO ETHNOLOGY. By PROFESSOR 



A. C. HADDON, D.Sc., M.A., M.R.I. A. Illustrated 

 THE GROUNDWORK OF SCIENCE. By ST. GEORGE MIVART, M.D., 



PH.D., F.R.S. 



EARTH SCULPTURE. 'By PROFESSOR GEIKIE, LL.D., F.R.S. Illustrated 

 RIVER DEVELOPMENT AS ILLUSTRATED BY THE RIVERS OF 



NORTH AMERICA. By PROFESSOR I. C. RUSSELL. Illustrated 



VOLCANOES. By PROFESSOR BONNEY, D.Sc., F.R.S. Illustrated 



BACTERIA. By GEORGE NEWMAN, M.D., F.R.S. (Edin.), D.P.H. (Camb.). 

 Illustrated 



IN COURSE OF PRODUCTION 



HEREDITY. By J. ARTHUR THOMSON, M.A., F.R.S.E. Author of "The 

 Study of Animal Life," and co-author of " The Evolution of Sex." Illustrated 



THE ANIMAL OVUM. By F. E. BEDDARD, M.A., F.R.S. (the Editor). 



Illustrated 

 THE REPRODUCTION OF LIVING BEINGS : A COMPARATIVE STUDY. 



By MARCUS HARTOG, M.A., D.Sc., Professor of Natural History in Queen's 



College, Cork. Illustrated 



THE STARS. By PROFESSOR NEWCOMB. Illustrated 



MAN AND THE HIGHER APES. By DR. KEITH, F.R.C.S. Illustrated 

 METEORS AND COMETS. By PROFESSOR C. A. YOUNG 

 THE MEASUREMENT OF THE EARTH. By PRESIDENT MENDENHALL 

 EARTHQUAKES. By MAJOR DUTTON 



PHYSIOGRAPHY : OR THE FORMS OF LAND. By PROFESSOR DAVIS 

 THE HISTORY OF SCIENCE. By C. J. PIERCE 

 GENERAL ETHNOGRAPHY. By PROFESSOR BRINTON 

 RECENT THEORIES OF EVOLUTION. By PROFESSOR BALDWIN 



LIFE AREAS OF NORTH AMERICA : A STUDY IN THE DISTRIBUTION 

 OF ANIMALS AND PLANTS. By DR. C. HART MERRIAM 



AN INTRODUCTION TO THE COMPARATIVE PHYSIOLOGY OF 

 THE BRAIN AND COMPARATIVE PSYCHOLOGY. By PRO- 

 FESSOR JACOJJES LOEB, Director of the Hull Physiological Laboratory of 

 the University of Chicago 



PLANETARY MOTION. By G. W. HILL, Pn.D. 



INFECTION AND IMMUNITY. By GEORGE S. STERNBERG, M.D., Surgeon- 

 General of U.S. Army 



AGE, GROWTH, SEX, AND DEATH. By PROFESSOR CHARLES S. MINOT, 

 Harvard Medical School 



Other -volumes "will be announced as arranged, and the series in its entirety 

 will comprise volumes on every branch of science. 



