PLATE 8 



EXPLANATION OF FIGURES 



81, 82, 84, 85 and 88 Drawn from amnion fixed in Flemming's weak solution. 

 83, 86 and 87 Drawn from amnion killed in Flemming's strong solution. 



84, 86, 87 and 88 Show the structure of the chromosomes as they pass the 

 poles and are discussed in the text on page 163. 



216 



