INDEX 



ABSORPTION : of gases, 115 ; of solids and 



liquids, 118; of solutes, 115. 

 ACIDS : influence of, on permeability, 61, 



74 ; penetrating power of, 64. 

 ACETANILID, in plasmolysis, 63. 

 ACETONE, in plasmolysis, 63. 



ACTION OF PROTOPLASMIC MEMBRANE, 80. 



ALCOHOL, ethyl, in plasmolysis, 63. 

 ALCOHOLS: penetrating power of, 71; 



aliphatic, in plasmolysis, 63. 

 ALKALIES, penetrating power of, 64. 

 AMMONIA, penetrating power of, 64. 

 AMMONIUM CARBONATE, 77. 

 AMMONIUM CHLORID, ionization of, 23. 

 AMPHITRITE, eggs of, 130. 

 AMYLASE, penetrating power of, 71. 

 ANESTHETICS, effect of, on permeability, 



78. 



ANILIN, in plasmolysis, 63. 

 ANILIN DYES, penetrating power of, 66. 

 ANIMAL CELLS, permeability of, 64. 

 ANTIPYRIN, penetrating power of, 64. 

 APPLE, pressure of sap, 86. 

 ARBACIA, eggs of, 128. 

 ARENGO, exudation pressure of, 102. 

 ARRHENIUS, 18, 24. 

 ARTARI, 70. 

 ASKENASY, 111. 



ASPERGILLUS: permeability of, 67; so- 

 lutes of, 83. 



ASTERIAS, eggs of, 129, 130. 

 ASCI, bursting of, 54. 

 ATMOSPHERE, internal, 120. 

 ATOMIC THEORY, 3. 

 AVOGADRO, principle of, 11. 

 BACTERIA, plasmolysis of, 58, 61. 

 BACTERIUM TERMO, plasmolysis of, 61. 

 BASES, influence of, on permeability, 61, 



BASIDIOBOLUS, in .'osmotic solutions, 132, 

 138. 



BEAN, permeability of, 65. 



BEAUVERIE, 137. 



BECKMANN, 37, 39. 



BEET: permeability of, 62, 64, 78; solutes 



of, 83. 



BEGONIA, permeability of, 62, 73, 76. 

 BERBERIS, pulvini of stamens in, 76. 

 BLACKMAN, 116, 117. 

 BLEEDING, 102; theory of, 104. 



BLOOD CORPUSCLES, 54, 57. 



BLUE, methyl, penetrating power of, 66, 



BOHM, 111. 

 BONNIER, 73, 98. 

 BOUILHAC, 70. 

 BOURGET, 69, il9. 

 BOWER, 88. 



BOYLE, principle of, 10. 

 BROWNE AND ESCOMBE, 116. 

 BUFFUM AND SLOSSON, 113. 

 BURGARSZKY, 18. 

 BURSTING OF CELLS, 54. 

 CABBAGE, pressure of sap, 86. 

 CAFFEIN: in plasmolysis, 63; penetrating 

 power, 64, 77. 



CALCIUM: absorption of, 67, 120; pene- 

 trating power of, 69. 



CALCIUM NITRATE, absorption of, 120. 



CAMPBELL, 66. 



CAOUTCHOUC, membrane of, 82. 



CARBON DIOXID : absorption of, 93, 115 ; 

 from roots, 72 ; influence of, on trans- 

 piration, 113; penetrating power of, 70. 



CARBONATES, penetrating power of, 64. 



CARROT, pressure of sap, 86. 



CELERY, pressure of sap, 86. 



CELL WALL, permeability of, 55. 



CHAETOMORPHA, permeability of, 62. 



CHAETOPTERUS, chemical fertilization of, 

 130. 



CHEMICAL THEORY OF SEMI-PERMEABIL- 

 ITY, 82. 



CHENOPODIACEAE, absorption of iodin 

 by, 69. 



CHLORIDS, penetrating power of, 78. 



CHROMULINA, reversal of tropism in, 140. 



CHLORAL HYDRATE, in plasmolysis, 63. 



CHOLESTERIN, 81. 



CILIA, in osmotic solutions, 139. 



CLAUSEN, 116. 



Cocos, exudation pressure of, 102. 



CODIUM, permeability of, 78. 



COEFFICIENTS, isosmotic, 56. 



COHNHEIM, 83. 



COLLOIDS, 27, 49. 



CONDUCTIVITY OF SAPS, 85. 



COPELAND, 77, 83, 88, 105, 108, 111. 



COPELAND AND KAHLENBERG, 69. 



COPEPODS, reversal of tropism in, 139. 



145 



