DISCOVERY REPORTS, VOL. VI 



PLATE XXIV 



o 



BLUE 



SCALE OF NAUTICAL MILES. 

 50 100 150 



200 



t 



Charts showing the recent extension of the South Georgia whaling grounds 



limits of whaling area during seasons 1923-4 to 1926-7 



„ „ „ „ .. 1927-8 to 1930-1 



main concentration (300 contour) during seasons 1923-4 to 1926-7 



„ „ (150 contour) „ „ 1927-8 to 1930-1 



