LATITUDE 40 SO 



2494 2496 2501 



2492 I 2495 I 2498 



60 



70 



40 50 60 



1772 1774 1776 1778 1781 



1771 1773 1775 1777 1779 1782 



70 



750 



750-1 



250 



MAR 



500- 



APR 



1806 1808 I8IO 



500- 



750 



750 



Fig. 22. The vertical distribution of S. gazellae for 8 months of the year on the meridian of o°. The shading represents density 

 per 250m. haul: (i) (the darkest) >4i individuals, (ii) 21-40 individuals, (iii) 11-20 individuals, (iv) (the lightest) 5-10 

 individuals. Hauls containing less than 5 individuals have been disregarded. The mean position of the Antarctic Convergence 

 on this meridian is 51 S. See Table 19, p. 278. 



