APPENDIX. 



IN the following Tables, which contain only a part of the results of 

 my experiments, the Koman figures indicate the number of Groves, 

 C T stands for the closing time, C for the force of the organ current, 

 L for the length of the columns of the preparation of the organ, P 

 (period) the time between each two immediately following experiments. 

 The mark || means that the experiment was continued on the same 

 preparation under the new conditions given. The deflections (with the 

 exception of those in series 25 where this would have had no meaning) 

 are reduced to the deflection which would have been caused by an 

 equal current strength in galvanometer (S] with a bobbin of 5000 turns 

 at a distance of 30 mm. from the magnet ; all the deflections in galvano- 

 meter (P) are reduced to the deflection which would have been produced 

 with 50 turns at a distance of 20 mm. This explains the large numbers 

 which appear when the currents are of great strength and persistence, 

 and which go far beyond the limits of the scale 1 . 500 + 0? stands as 

 before for a deflection beyond the limits of the scale, which consequently 

 could not be reduced ; a stroke in place of an entry shows that from 

 some cause or another the observation failed ; C, L, and P are some- 

 times not indicated. 



The figures i . . , 2 . . , &c. Torp. correspond to the order of the days 

 on which the animals were killed June 13 and 27, Dec. 13 and 28 

 of last year, and Feb. 2 of this year. In the same order the lengths of 

 the fishes were respectively 29, 36, 29, 25, 26cm. The word 'fresh' 

 indicates that the experiment was made on the same day on which the 

 animal was killed ; ' 2 . , day/ on the day after. 



l. 



5. Torp. 2. Day. OC still positive. 



C To". 0764. 



I.-8. I -234 1 + 8o;+io I -4t +3 1 t;o; 11 x | + 22 I -*5 t + 25 I -5 t -12 I -34 

 P.I 4 I 9-75 14-51 5 1 4'5 I 8; 8-5 1| X " | 82 1 7 ! 1 78 I 75 I 79 i $9 



This series shows that the homodromous current with only one Grove 

 may generate absolutely and relatively positive polarisation, but only for 

 a short time, after which a stronger current acts in the usual manner. 

 1 Gesammelte Abhandlungen, p. 356. 



