AFTER ELECTRICAL STIMULATION. 265 



III. Duration of stimulation 2 sec. + 2 



IV. 4 + 2-5 

 V. 8 +3 



VI. 16 +3-5 



VII. 32 +3 



Cold frog. Du Bois induction-coil. Galvanometer tract 9 mm. Intermediate 

 tract about 30 mm. With switch. 



Current of electrodes +40. Nerve current + 134. 



I. Duration of stimulation i sec. + 4 



II. I +3 



III. 3 >, +4-5 



IV. 5 +6 



V. 10 + 7 

 VI. 3 +4-5 



VII. 10 +6-5 



VIII. 20 + 6 



IX. i +i 



X. 5 +4 



XL 10 +5 



XII. 30 +5 



XIII. 5 +2-5 



XIV. 60 +5-5 

 XV. 10 +4 



Cold frog. Stimulation with induction-coil. Galvanometer tract 9 mm. Inter- 

 mediate tract about 30 mm. With switch. 



Current of electrodes + 17. Nerve current +103. 



I. Duration of stimulation I sec. + 3 



II. 2 +5-5 



HI. 5 +7 



IV. 10 +8 



V. 20 +9 

 VI. 5 +4 



VII. 10 +6 



Cold frog. Stimulation as with preceding. With switch. Galvanometer tract 

 8 mm. Intermediate tract 32 mm. 



First nerve. 

 Current of electrodes 40. Nerve current + 81. 



I. Duration of stimulation 20 sec. -f 6 



II. 30 +7 



III. 4 + 5 



IV. 50 +4 



V. 60 +3 



Second nerve. 



Current of electrodes 45. Nerve current +84, 

 I. Duration of stimulation 60 sec. + 10.5 



II- 50 +7 



III. 40 +5 



