PATTERN OF ORGANIC GROWTH AND TRANSFORMATION 



proportions of the growing parts stay constant, and this, as I 

 have said, is rare. 



It follows that just as a growing animal must traverse all 



Fig. 9. The carapaces of crabs of six different but 

 related genera, showing how particular differences of 

 form may be expressed as the outcome of a general 

 process of orderly spatial transformation. 



119 



