MERISTIC PHENOMENA 



39 



the outward symptoms of division, but we have no surmise as 

 to the nature o the proeess by which the division is beg n o 

 accomplished. I know nothing which to a man well trained Z 

 scaent.Sc knowledge and method brings so vivid a reaTsatio„ 

 JJ In Oe Ob 



a J' G : *' JaW ?/ f Skates C"***.»0 showing meristic variation. (For a detailed 

 d.senss.on see Materials for the Study of Variation, p. 259.) ed 



of our ignorance of the nature of life as the mystery of cell- 

 tw'rT WhatisaIivi "g tWng? The best answer in few words 

 that I know is one which my old teacher, Michael Foster, used 

 to g, ve in his lectures introductory to biology. "A living thing 



