64 



PROBLEMS OF GENETICS 



remain free from prejudice as to the nature and causation of the 

 period or rhythm, we may safely declare, and a comparison may 

 thus be instituted between the consequences of meristic repetition 



■ 



;; 



i « i 



u 



Fig. 9. Osmotic growths simulating segmentation. (After Leduc.) 



in the bodies of living things and those repetitions which in 

 the inorganic world are due to rhythmical processes. Of such 

 processes there is a practically unlimited diversity and we have 

 nothing to indicate with which of them our repetitions should 

 rather be compared. 



