FORM AND GROWTH IN FISHES 



391 



tables 2 and 3 by means of the following obvious formula express- 

 ing the relation between K and the constants for weight-length 

 (a), depth (cd), and width (Cw) : — 



a 



K = 



Cd Cv 



The values given in table 4 were calculated by means of this 

 formula, except that for Cynoscion regalis, which was deter- 



o 



II 12 13 14- 15 16 17 18 19 20 21 



Figure 8 



