APPENDIX. 



475 



C. Heterodromous current, relatively negative, and absolutely positive polarisation. 

 C To" -0764. CTi"-o24. 



XX. 8. -ID 



P.I 7i 



-105 

 75 



-30 



75 



-45 

 79 



79 



& 2 r 2 



75 



New I & r 

 prepa- | 78 

 ration. | 761 



-215 

 744 



-70 



757 



-250 

 736 



5. Torp. Fresh. 



The galvanometer circuit (S) forms a collateral closure to the preparation, as in 

 Fig., 8, A and S, and p. 455. 



CT 



XX. S. 

 P. 



230 f 150 I 216 

 141 | 269 1 145 



158 I 193 t 

 1 146 I 



162 



228 



190 

 146 



| 255 t 

 1 1162 I 



239 14 22 14 112 1254 



Distance of bobbin from mirror of galvanometer, 

 2 1 cm. 36cm. 



Number of turns 5000. 



245 I 255 t 

 1 1179 I 



255 

 1267 



