DISCUSSION OF RESULTS 



189 



1922 -3 



1923-4 



1924-5 



Fig. 6. Recorded movements of Blue whales on the South Shetland grounds. The direction of each arrow is 



the resultant direction of observed whale movements ; the length of the arrow indicates, as shown in the 



scale, the resultant number moving in this direction, expressed as the percentage of the total. 



