TABLE I. 

 Unselected Bar Stock. Summary of Experiments 1, 4, 7, and 16. Females. 



TABLE II. 

 Unselected Bar Stock. Summary of Experiments 1, 4, 7, and 16. Males. 



Facet 

 number 



15** 20** ZS"* 30° 



Temperature 



Fig. 2. Temperature effect on the mean facet number in Unselected bar stock. 

 The upper curve is that of the males, the lower that of the females. 



413 



