Method of Block
28 | | 15. | Response in Plant completely Immersed under Water | 29 |
| 16. | Uniform Responses in Plant | 36 |
| 17. | Fusion of Effect under Rapidly Succeeding Stimuli in Muscle and in Plant | 36 |
| 18. | Additive Effect of Singly Ineffective Stimuli on Plant | 37 |
| 19. | ‘Staircase Effect’ in Plant | 37 |
| 20. | Appearance of Fatigue in Plant under Shortened Period of Rest | 39 |
| 21. | Fatigue in Celery | 40 |
| 22. | Fatigue in Cauliflower-stalk | 41 |
| 23. | Fatigue from Previous Overstrain | 41 |
| 24. | Fatigue under Continuous Stimulation in Celery | 42 |
| 25. | Effect of Rest in Removal of Fatigue in Plant | 43 |
| 26. | Diphasic Variation in Plant | 46 |
| 27, 28. | Abnormal Positive Responses in Stale Plant transformed into Normal Negative Under Strong Stimulation | 48, 49 |
| 29. | Radial E.M. Variation | 50 |
| 30. | Curves showing the Relation between Intensity of Stimulus and Response in Muscle and Nerve | 52 |
| 31. | Increasing Responses to Increasing Stimuli (Taps) in Plants | 52 |
| 32. | Increasing Responses to Increasing Vibrational Stimuli in Plants | 53 |
| 33. | Responses to Increasing Stimuli in Fresh and Stale Specimens of Plants | 54 |
| 34. | Apparent Diminution of Response caused by Fatigue under Strong Stimulation | 57 |
| 35. | Diminution of Response in Eucharis Lily at Low Temperature | 61 |
| 36. | Records showing the Difference in the Effects of Low Temperature on Ivy, Holly, and Eucharis Lily | 62 |
| 37. | Plant Chamber for Studying the Effect of Temperature and Anæsthetics | 64 |
| 38. | Effect of High Temperature on Plant Response | 64 |
| 39. | After-effect on the Response due to Temperature Variation | 66 |
| 40. | Records of Responses in Eucharis Lily during Rise and Fall of Temperature | 67 |
| 41. | Curve showing Variation of Sensitiveness during a Cycle of Temperature Variation | 68 |
| 42. | Record of Effect of Steam in Abolition of Response at Death of Plant | 69 |
| 43. | Effect of Chloroform on Nerve Response | 72 |
| 44. | Effect of Chloroform on the Responses of Carrot | 74 |
| 45. | Action of Chloral Hydrate on Plant Responses | 75 |
| 46. | Action of Formalin on Radish | 75 |
| 47. | Action of Sodium Hydrate in Abolishing the Response in Plant | 78 |
| 48. | Stimulating Action of Poison in Small Doses in Plants | 79 |
| 49. | The Poisonous Effect of Stronger Dose of KOH | 79 |
| 50. | Block Method for obtaining Response in Tin | 83 |
| 51. | Response To Mechanical Stimulation in a Zn-Cu Couple | 85 |
| 52. | Electric Response in Metal by the Method of Relative Depression (Negative Variation) | 88 |
| 53. | Method of Relative Exaltation | 89 |
| 54. | Various Cases of Positive and Negative Variation | 90 |
| 55. | Modifications of the Block Method for Exhibiting Electric Response in Metals | 93 |
| 56. | Equal and Opposite Responses given by Two Ends of the Wire | 95 |
| 57. | Top View of the Vibration Cell | 96 |
| 58. | Influence of Annealing in the Enhancement of Response in Metals | 101 |
| 59. | Uniform Electric Responses in Metals | 102 |
| 60. | Persistence of After-effect | 105 |
| 61. | Prolongation of Period of Recovery after Overstrain | 106 |
| 62. | Molecular Model | 107 |
| 63, 64. | Effects of Removal of Molecular Sluggishness in Quickened Recovery and Heightened Response in Metals | 109, 110 |
| 65. | Effect of Temperature on Response in Metals | 111 |
| 66. | Diphasic Variation in Metals | 113 |
| 67. | Negative, Diphasic, and Positive Resultant Response in Metals | 115 |
| 68. | Continuous Transformation from Negative to Positive through Intermediate Diphasic Response | 116 |
| 69. | Fatigue in Muscle | 118 |
| 70. | Fatigue in Platinum | 118 |
| 71. | Fatigue in Tin | 119 |
| 72. | Appearance of Fatigue due to Shortening the Period of Recovery | 120 |
| 73. | Fatigue in Metal under Continuous Stimulation | 121 |
| 74. | ‘Staircase’ Response in Muscle and in Metal | 122 |
| 75. | Abnormal Response in Nerve converted into Normal under Continued Stimulation | 124 |
| 76, 77. | Abnormal Response in Tin and Platinum converted into Normal under Continued Stimulation | 125 |
| 78. | Gradual Transition from Abnormal to Normal Response in Platinum | 126 |
| 79. | Increase of Response in Nerve after Continuous Stimulation | 127 |
| 80, 81. | Response in Tin and Platinum Enhanced after Continuous Stimulation | 127, 128 |
| 82. | Magnetic Analogue | 132 |
| 83, 84. | Records of Responses to Increasing Stimuli in Tin | 134, 135 |
| 85. | Ineffective Stimulus becoming Effective by Superposition | 135 |
| 86. | Incomplete and Complete Fusion of Effects | 136 |
| 87. | Cyclic Curve for Maximum Effects showing Hysteresis | 137 |
| 88. | Action of Poison in Abolishing Response in Nerve | 139 |
| 89. | Action of Stimulant on Tin | 141 |
| 90. | Action of Stimulant on Platinum | 142 |
| 91. | Depressing Effect of KBr on Tin | 143 |
| 92. | Abolition of Response in Metals by ‘Poison’ | 143 |
| 93. | ‘Molecular Arrest’ by the Action of ‘Poison’ | 145 |
| 94. | Opposite Effects of Small and Large Doses on the Response in Metals | 146 |
| 95. | Retinal Response to Light | 150 |
| 96. | Response of Sensitive Cell to Light | 152 |
| 97. | Typical Experiment on the E.M. Variation Produced by Light | 154 |
| 98. | Modification of the Photo-sensitive Cell | 155 |
| 99. | Responses in Frog’s Retina | 156 |
| 100. | Responses in Sensitive Photo-cell | 157 |
| 101. | Effect of Temperature on the Response to Light Stimulus | 159 |
| 102. | Effect of Duration of Exposure on the Response | 159 |
| 103. | Responses of Sensitive Cell to Increasing Intensities of Light | 161 |
| 104. | Relation between the Intensity of Light And Magnitude of Response | 162 |
| 105. | After-oscillation | 163 |
| 106. | Transient Positive Increase of Response in the Frog’s Retina on the Cessation of Light | 164 |
| 107. | Transient Positive Increase of Response in the Sensitive Cell | 165 |
| 108. | Decline under the Continuous Action of Light | 166 |
| 109. | Certain After-effects of Light | 168 |
| 110. | After-effect of Light of Short Duration | 172 |
| 111. | Stereoscopic
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Method of Block