I 3 o 



INDEX 



Plasmolysis, influence of, on streaming, 8, 9, 



Fig. 3- 

 Poiseuille, 5. 



Pbisons, action of, on streaming, 77. 

 Pollen-tubes, streaming in non-nucleated 



fragments of, 56. 

 Primary streaming, 4 ; distinction of, from 



secondary, 75. 

 Pringsheim, influence of light on streaming, 



70. 



Protoplasm, viscosity of, 19. 

 Protoplasmic threads, physical conditions 



in, 112, 116. 



Reinke, on non-magnetic properties of cell, 



45; on water of imbibition, II. 

 Resistance, electrical, decrease of, on death, 



96 ; influence of coagulation on, 125 ; 



path of least, 33. 

 Richards, 4. 

 Ritter, 2, 40, 42. 

 Rodewald, on production of heat by plants, 



32. 



Rodger, 17. 

 Rontgen rays, influence of, on streaming, 



.71. 

 Rotifers, influence of temperature on, 62. 



Sachs, influence of temperature on stream- 

 ing, 59; theory of streaming, 108. 

 Saline solutions, influence of, on streaming, 



10, II. 



Samassa, 79. 



Schacht, 2. 



Schleiden, 2. 



Schwarz, 77. 



Secondary streaming, 4. 



Selagtnella, osmotic pressure of apical cells 

 of, 12. 



Serum-albumin, coagulation point of, 22 ; 

 viscosity of, 19. 



Shock-stoppage, comparison of, with mus- 

 cular contraction, 90, 101. 



Sieve-tubes, resistance to flow in, 30. 



Sinapis, induction of streaming in, 10. 



Slack, i. 



Sliding movements, occurrence of, 113 ; 

 origin of, 117. 



Sodium chloride, as poison, 87. 



Solatium, streaming in, I ; S. ly coper sicum, 

 cardinal temperatures for streaming 

 in, 59. 



Sound-vibrations, influence of, on stream- 

 ing, 72. 



Spermatozoids, influence of magnetic forces 

 on, 52. 



Spirogyra, influence of saline solutions on, 



10. 



Starch, magnetic properties of, 47. 



Stich, 4, 31. 



Stimuli, speed of, in cells, 103 ; in tissues, 



104, 105. 

 Storage-tissues, streaming in, 76. 



Streaming, direction of, 33, 34. 



Sugar, magnetic properties of, 47 ; influence 



of, on streaming, 58. 

 Surface-tension, theory of streaming, 112; 



of muscular contraction, 118; in- 

 fluence of, on osmotic pressure and 

 streaming, 9 ; on escape of proto- 

 plasm from cell, 29. 



Surface-tension film, influence of, on stream- 

 ing, 114; on plasmolysis, 115. 



Temperature, influence of, absence of O., on 

 cardinal points for streaming, 68, 69 ; 



of prolonged exposure on maximum, 

 6 1 ; of age on, 63 ; detailed action of, 

 64 ; influence of, on action of poisons, 88 ; 

 on anaerobism,44 ; on osmotic pressure, 

 II ; on streaming, 2, 59-66 ; of sudden 

 changes of, 66 ; during anaerobic re- 

 spiration, 67 ; on photosynthesis and 

 streaming, 55 ; on viscosity, 20, 21 ; 

 low, action of, on streaming, 67 ; rela- 

 tive influence of, on viscosity and 

 velocity of streaming, 22. 



Theories of streaming, 108. 



Thorpe, 17. 



Townsend, influence of nucleus on forma- 

 tion of cell-wall, 56. 



Tradescantia, action of CO 2 on streaming 

 in, 78; cardinal temperatures for stream- 

 ing, 59 ; influence of low temperature 

 on streaming in, 67-8 ; of O. on stream- 

 ing in, 41 ; order of death of, 98 ; 

 retardation of streaming in a magnetic 

 field, 51. 



Transmission of stimuli, 103, 104. 



Treviranus, I. 



Trianea, action of acids on streaming in, 

 77 ; of alkaloids on, 81, 85 ; of 

 alcohol, 85; of CO 2 on streaming in, 

 78 ; influence of low temperature on 

 streaming in, 67, 68 ; minimal oxygen 

 pressure for streaming in, 37 ; retarda- 

 tion of streaming in a magnetic field, 

 51. 



Turgidity, influence of changes of, on 

 streaming, 57. 



Urtica, action of acids on streaming in, 77 ; 

 minimal oxygen pressure for streaming 

 in, 37- 



Vacuolar membrane, sensitivity of, 97. 



Vacuole, influence of pressure of, on stream- 

 ing, 14. 



Vallisneria, action of acids on streaming in, 

 77; of alcohols, 85 ; ofcaffein, 81; 

 of carbon dioxide, 78 ; of electrical 

 currents, 91 ; change in direction of 

 streaming in, 34 ; induction of stream- 

 ing in, 13 ; influence of alkalies on 

 streaming in, 80; of magnetic forces, 

 49 ; of low temperatures, 67, 68 ; of 



