394 



EFFECT OF IREITATION OF A POLARIZED NERVE. 



Number of ex- 

 periment. 



153. 



1st irritations. 

 2(1 irritations. . 

 Sdirritatioua.. 



134. 



Ist irritations 

 2(1 irritations . . 

 3d irritations . . 



155. 



1st irritations . . 

 2d irritations. .. 

 3d iiritatiuns... 

 4tli irritations. . 

 5th irritations. . 

 6tb irritations. . 

 7th irritations . . 

 8tli irritations. . 

 9th irritations. . 

 10th irritations. 

 11th irritations. 

 12th irritations. 

 13th irritations. 

 14th irritations. 

 15th irritations. 



156. 



1st irritations . 

 2d irritations. . 

 3d irritations . . 

 4tli irritations . 

 5th irritations . 



157. 



Ist irritations . 

 2d irritations.. 

 3d irritations.. 

 4th irritations. 



158. 



1st irritations . 

 2d irritations.. 

 3d irritations . . 

 4th irritations. 

 5th irritations. 

 Cth irritations. 

 7th irritations. 

 8th irritations. 



159. 



1st irritations . 

 2d irritations . . 

 3d irritations . . 

 4th irritations. 



Irritation without 

 polai'issation. 



Irritation, 1 cell, rheo- 

 chord : 



3000 cent 0. 



3000 cent 0. 



3000 cent 0. 



In itation, 1 cell, rheo- 

 chord : 



3000 cent 0. 



3000 cent. .....0. 



3000 cent 0. 



Irritation, 1 cell, rheo- 

 chord: 



3198 cent 0. 



3179 cent 0. 



3179 cent 0. 



3000 cent 0. 



3000 cent 1. 



3000 cent 0. 



llCOccnt 0. 



o41 cent 0. 



341 cent 0. 



3000 cent 0. 



3000 cent 0. 



3000 cent 0. 



2781 cent 0. 



2690 cent 1. 



2690 cent 1. 



Irritation, 1 cell, rheo- 

 chord : 



3196 cent 0. 



3196 cent 0. 



3058 cent 0.5 



3058 cent 0.5 



3058 cent 0.5 



Irritation, 1 cell, rheo- 

 chord : 



2900 cent 0. 



2900 cent 0.5 



2900 cent 0.5 



2900 cent 0.5 



Irritation, 1 cell, rheo- 

 chord: 



3050 cent 0.5 



3050 cent 0.5 



2900 cent 1. 



2900 cent 0.5 



2900 cent 0.5 



2675 cent 0. 



2075 cent 0. 



2675 cent 0. 



Irritation, 1 cell, rheo- 

 chord : 



3130 cent 0. 



3130 cent 0. 



3196 cent 0. 



3196 cent 0. 



Irritation during 

 polarization. 



Polarization, 1 cell: 



1. 

 1. 

 2. 



Polarization, 1 cell: 



1. 

 1. 

 0.5 



Polarization, 1 cell : 



1. 

 1. 



4. 



0. 



4. 



1. 



1. 



1. 



3. 



3. 



1. 



0.5 



0. 



0.5 



Polarization, 1 cell, 

 rheochord: 



4 cent 3. 



4 cent 3. 



4 cent 5. 



4 cent 5. 



4 cent 5. 



Polarization, 1 cell, 

 rheochord: 



18 cent 0.5 



18 cent 2. 



18 cent 1. 



18 cent L 



Polarization, 2 cells, 

 rheochord : 



12 cent 0.5 



12 cent 0.5 



12 cent 1. 



30c(>nt 3. 



30 cent 1. 



30 cent 1. 



30 cent 0.5 



10 cent 3. 



Polarization, 2 cells, 

 rheochord : 



20 cent 1. 



20 cent 0.5 



10 cent ...1. 



45 cent 1. 



Bemarks. 



!Eana temporaria. 



IRana temporaria. 



Bana temporaria. 



Polarization, 4 cells. 

 Polarization, 1 cell. 



Bana temporaria. 



Bana escnlenta. 



Bana temporaria. 



Bana temporaria. 



Out of these last twenty-eight experiments, in but eleven was the 

 irritation less effective in jiroducing muscular contractions during the 

 presence of the constant current than when the irritating current alone was 



