POPULATION HETEKOGEXEITY IX PACIFIC PILCHARD 



205 



LENGTH AT AGE n 



Figure 2. — Transformations of growth curves of European pilchard from different regions of catch. Solid symbols 

 represent pilchard caught "If England, various crosses and pari- of crosses those oil the French and Spanish coasts, 

 open symbols those from the Mediterranean. (Data from De Buen 1937.) 



