MARY DRi S:LLA II.\IIII:K. 



I the accelerated pulse rate is of longer duration under tin- 



influence of pituitary substance, but dilation of the vacuole is 



- marked. Yacuoles contracting at an abnormally slow rate, 



averages 48 and 42, were not stimulated to a normal rate by the 



TAHI.K V. 

 EFFECT OF PITUITARY, i : 200,000. 



addition of pituitary substance. After being accelerated to 35 

 and 33 respectively the vacuoles returned to their former abnor- 

 mal condition. The records taken were not sufficient for the 

 the determination of the lethal or of the optimum solutions. 



TABLE VI. 



EFFECT OF PINEAL GLAND EXTRACT, i : 200,000. 





17.5 



19.5 



21.4 



12.7 



15.5 



14.0 



[2 g 



