Mammalian Nerve- Muscle and Rejlex Preparations. 353 



The reflex reversal by altering other conditions of experiment than those 

 here described, does not, however, directly concern the present experiments. 



Fig. 4. — Extensor reflex preparation of decerebrate cat, showing refliex reversal by 

 alteration of initial length of the tonic muscle. 







1 1/ ■ 



■■■ A 70 





Fig. 5. — Right extensor reflex preparation of decerebi'ate cat, showing reflex reversa 

 obtaine 1 by altering ithe posture of the head from the right to the left side. 



