INDEX 



257 



Penetration from balanced solutions, 



205, 214 

 Permeability, as measured by con- 

 ductivity, 17, 195 

 as measured by dif- 

 fusion, 206 

 as measured by exos- 



mosis, 206, 207 

 as measured by tis- 

 sue tension, 208 

 as a measure of vital- 

 ity, 161 

 in relation to stimu- 

 lation, 233 flf, 235 

 of unlike membranes 

 in the cell, 231 ff 

 Pfeffer, 227, 228 

 Plasma membrane, 227 ff 

 Plasmolysis, 159, 201, 213 

 Pierce, 29 

 Polacci, 21 

 Porphyra, 217 



Potassium cyanide, effect on per- 

 meability, 55 

 penetration of, 



203 

 nitrate, pene- 

 tration of, 

 208, 212 

 Price, 227 

 Probable error, 38 

 Protoplasm, conductance of, 219 ff 



R 



Eaber, 40, 41 

 Ramsden, 227 

 Reaction, catenary, 57 ff, 98, 122 



monomolecular, 15 

 Reaction chamber hypothesis, 232 

 Recovery, 19, 79 ff 



after exposure to alcohol 



190 

 after exposure to calcium 



chloride, 107, 115 ff 

 after exposure to chloro- 

 form, 188 

 after exposure to ether, 



186 

 after exposure to hyper- 

 tonic solutions, 95, 96 



Recovery, after exposure to mix- 

 tures of sodium and 

 calcium, 151 ff 

 after exposure to sodium 

 chloride, 92, 102 ff, 

 110 ff 

 measured by rate of res- 

 piration, 95 

 partial, 92 ff 

 Red blood corpuscles, measurement 

 of conduc- 

 tivity, 21 

 effect of an- 

 esthetics on 

 conductiv- 

 ity of, 193 

 Reed, 31 



Respiration, as affected by hyper- 

 tonic solutions, 95, 96 

 as affected by hypo- 

 tonic solutions, 95, 96 

 as affected by sodium 

 chloride, 95, 96 

 Rhode, 227 

 Rhodymenia, 49, 50 



antagonism, 174 

 color changes of, 175 

 effect of aluminum on 

 the conductivity of, 

 49 

 effect of anesthetics 

 on the conductivity 

 of, 193 

 effect of barium on the 

 conductivity of, 49 

 effect of calcium on the 

 conductivity of, 49 

 effect of cerium on the 

 conductivity of, 49 

 effect of lanthanum 

 on the conductivity 

 of, 49 

 effect of magnesium 

 on the conductivity 

 of, 49 

 effect of manganese 

 on the conductivity 

 of, 49 

 effect of nickel on the 

 conductivity of, 49 

 effect of potassium on 

 the conductivity of, 

 50 



