52 ALEXANDER AGASSIZ 



remnants and mementos of such transformations, rather 

 than as independent creations ? If we can ever repre- 

 sent organic forms by formulae, I acknowledge that that 

 formula should be capable of such transformation as to 

 represent the organic in all its stages from the earliest 

 time in the egg to its mature condition, by the introduc- 

 tion of the proper variables." 



