ERIK ZEUTHEN AND OTTO SCHERBAUM 



or sub-optimum temperature (Figure 3). Acting on the theory on which we started 

 out, in a second experiment we subjected the culture to another temperature increase 



2 9 6 8/0 



hours 



Figure 3. 



in order to eliminate the second peak and let it unite with other cells to form a bigger 

 group. We were not completely successful, as illustrated in Figure 4. We induced a 

 second cycling, but did not as planned eliminate the small peak. Apparently the 







9 



Figure 4. 

 146 



a /o f2 



hours 



