INDEX 



255 



Conductivity of Nittella, 35, 36 



of Rhodymenia, 49, 50, 

 56, 87, 97, 174, 175, 

 193, 197 

 of sea urchin eggs, 23, 



50, 225 

 of Viva, 35, 49, 55, 



87, 97, 174, 193, 196 

 of Zostera, 35, 49, 87, 



88, 97, 174 

 temperature coeffi- 

 cient of, 39 



Corpora lutea, 97 

 Corson-White, 97 

 Crozier, 199, 211 

 Czapek, 232 



D 



Death, a normal part of life pro- 

 cesses, 16 



monomolecular curve of, 15 

 Diffusion method of measuring per- 

 meability, 159, 206 ff 

 Distilled water, preparation of, 38, 



213 



Dulse, see Rhodymenia 

 Dyes, penetration of, 210 

 Dynamic equilibrium, 183 



Eel grass, see Zostera 

 Ehrlich, 228 

 Error, probable, 38 

 Erythrocytes, effect of anesthetics on 

 conductivity of, 193 

 Ether, effect on conductivity, 184 ff 

 Euglena, measurement of conductiv- 

 ity, 21 



Exosmosis as measure of permeabil- 

 ity, 206 ff, 207 



F 



Fenn, 176 



Fleischer, M. S., 97 



Formate, effect on conductivity, 40 



Frog skin, antagonism, 175 



effect of acid on the con- 

 ductivity of, 55 

 effect of anesthetics on 

 the conductivity of, 192 



Frog skin, effect of calcium on the 



conductivity of, 49 

 effect of lanthanum on 



the conductivity of, 49 

 effect of magnesium on 



the conductivity of, 49 

 effect of potassium on the 



conductivity of, 50 

 effect of sodium on the 



conductivity of, 50 

 partial recovery of, 97 

 recovery after exposure to 



sodium and calcium, 87 

 Fundulus, 205 



G 



Gaidukov, 227 



Galeotti, 21, 195 



Garmus, 229 



Gelation, effect on conductivity, 181 



Geotropism, 235 



Glucoside, 232 



Goldman, 229 



Gray, 21, 50, 225 



Grifiithsia, 230, 233 



Growth, effect of calcium chloride 



on, 127 

 Gustafson, 232 



Haas, 43, 232 

 Hall, 31 

 Hansen, 211 

 Hansteen-Cranner, 179 



Hanstein, 227 



Harvey, 227 



Henri et Calugareanu, 21 



Hibbard, 31 



Hober, 21, 79, 192, 225, 227, 229, 230 



Hofmeister, 232 

 Hopkins, 122 

 Horse chestnut, 182 

 Hydrogen ion, effect on conductiv- 

 ity, 50 

 Hydroxyl ion, effect on conductivity, 



44 

 Hypertonic solutions, 95, 96 



