XIV 



LIST OF WOODCUTS. 



25. Smooth Muscle-Fibres 



26. Nerve-Fibres 



27. Ganglion-Cells with Nerve-Processes 



28. Spring Myograph of E. du Bois-Keymond , 



29. Propagation of the Excitement in the Nerve 



30. Electrotoniia 



31. Electrotonus under the influence of Currents of varying 



Strength ......... 



il2. Pheochord 



.S3. Electrotonus 



34. Series of Magnetic Needles representing Nerve-Particles 



35. Rheochord 



36. Electric Current 



37. Multiplier 



38. Reflecting Galvanometer 



39. Du Bois-Rcymond*s homogeneous Diverting Vessel 



40. Distribution of Currents in Irregular Conductors . 



41. Electric Fall 



42. Fall in different Wires 



43. Current-Paths in a Conductor .... 



44. Current- Curves and Tension-Curves 



45. Dn Bois-Reymond's Diverting Cylinders 



46. Measurement by Compensation of Differences in Tension 



47. Du Bois-Reymond's Round Compensator 



48. Diagram of Electric Measurement by Round Compensator 



49. A Regular Muscle-Prism 



50. Currents in a Muscle-Prism .... 



51. Tensions on the Longitudinal and Cross Sections of a 



Regular Muscle-Prism 



52. Tensions in a Regular Muscle-Rhombus 

 63. Currents in a Regular Muscle- Rhombus 

 54. Currents in the Gastrocnemius 

 65. Muscle-Current during Pulsation 

 56. Deflection of the Magnetic Needle by the Will 

 57 and 58. Secondary Pulsation .... 



59. Tension in Nerves 



60. Changes in Tension during Electrotonus . 



61. Theory of Magnetism 



62. Diagram of a Piece of Muscle-Fibre . 



63. Diagram of the Electric Action in an Aggregation of 



Muscle-Elements . . . . 



64. Diagram of an oblique Cross- Sect ion . 



TACIC 



97 

 104 

 106 

 112 

 114 

 127 



130 

 133 

 140 

 147 

 149 

 159 

 161 

 163 

 166 

 170 

 172 

 173 

 175 

 178 

 181 

 184 

 186 

 187 

 190 

 192 



193 

 195 

 196 

 200 

 203 

 205 

 210 

 217 

 220 

 230 

 231 



233 

 234 



