REACTIONS OF THE HORNED LIZARD. 



103 



TABLE I. 



SHOWING THE REACTIONS OF Phrynosoma IN GRADIENTS OF Am HUMIDITY. 



The method of procedure here was the same as that pursued in the experiments 

 illustrated in Chart I., except that ten individuals were used in each experiment and 

 numerical readings were taken at half-minute intervals. The summation of the 

 results is indicated in numbers and in percentages at the foot of the columns. See 

 explanation accompanying Chart I., and page 102 for discussion. 



