CONTENTS 



Introduction . . page 287 



Construction of the charts 



Plotted observations of ice . 288 



The observed absence of ice . . . 289 



Monthly mean position of the ice-edge 289 



The Antarctic ice-edge 290 



Seasonal distribution of the ice-edge 



General features 291 



September 292 



October 292 



November ............ 292 



December 293 



January 293 



February ............ 294 



March 294 



April 294 



May and June 294 



July and August 295 



References 295 



Notes on the charts 296 



Plates LXIX-XCV . following page 296 



