IS.— Graphs showing comparative measures at 10° C, 20° C, and 30° C. of the average absolute 



durations of the ten active mitotic stages. 



Base Line 



A. A. D. at 20° C. compared with A. A. D. 



at 10° C. as a base. 

 A. A. D. at 20° C. of all 10 active stages 



as a whole compared with same at 



10° C. as a base. 

 Average A. A. D. at 20° C. compared with 



A. A, D. at 10° C. as a base. 

 A. A. D. at 30° C. of all 10 active stages 



as a whole compared with same at 



20° C. as a base. 



A. A. D. at 30° C. of all 10 active stages 



as a whole compared with same at 

 10° C. as a base. 



■Average A. A. D. at 30 C. compared with 



A.A. D.at 20° C. as a base. 

 Average A. A. D. at 30° C. compared with 



A. A. D. at 10° C. as a base. 

 A. A. D. at 30° C. compared with A. A. D. 



at 20° C. as a base. 

 ■A. A. D. at 30° 0. compared with A. A, 0. 



at 10° C. as a base. 



Data from Table 15. 



