CONTENTS. 



PAGE 



LIFE OF MRS. SOMERVILLE 1 



THE COMING TRANSIT OF \ r ENUS, AND BRITISH PREPARATIONS 



FOR OBSERVING IT 15 



THE EVER-WIDENING WORLD OF STABS 40 



MOVEMENTS IN THE STAR-DEPTHS 55 



THE GREAT NEBULA IN ORION 78 



THE SUN'S TRUE ATMOSPHERE .95 



SOMETHING WRONG WITH THE SUN 118 



NEWS FROM HERSCHEL'S PF.ANKT 122 



THE Two COMETS OF THE YEAR 1 868 : 



PART I. BRORSEN'S COMET 147 



PAST II. WINNECKE'S COMET 163 



COMETS OF SHORT PERIOD 181 



THE GULF STREAM 195 



OCEANIC CIRCULATION . . . .. . . . .212 



ADDENDUM IN REPLY TO DR. CARPENTER 245 



THE CLIMATE OF GREAT BRITAIN 260 



THE Low BAROMETER OF THE ANTARCTIC TEMPERATE ZONE . 285 



