FIG. I (A) RELATIONSHIP BETWEEN THE TOTAL LENGTH OF THE VERTEBRAL 

 CENTRUM (T) AND THE BODY LENGTH OF THE SKIPJACK (I), r, - X. ARE 

 THE RADII OF THE ANNULI , I,- L ARE THE DEDUCED BODY LENGTHS AT 

 WHICH EACH ANNULUS WAS COMPLETED. (B) SKETCH SHOWING X AND T 



250 



200 



50 



100 



50 



30 



35 40 45 50 55 60 65 70 75 



80 



FIG. 2 BODY LENGTH DISTRIBUTIONS OF MIGRATORY SCHOOLS (WHITE DOTS)AND 

 SEDENTARY SCHOOLS (BLACK DOTS) ( SUMMARY OF 1934 -1936). THE 

 HORIZONTAL AXIS IS THE BODY LENGTH (CM) AND THE VERTICAL AXIS 

 SHOWS THE NUMBER OF FISH. 



33 



