190 GEORGE RALPH MINES. 



BIBLIOGRAPHY. 



References to work on the subjects named below will be found in the following : — 

 Measurement of hydrogen ion concentration, etc. : 



Sorensen, G. R. Lab., Cadsherg, YIII, p. 1. 1909. 



Palitzsch, Pvbl. de Circonstavce, Ko. 60. Cons. perm, fovr I'exjilor. de la wer. 

 1911. 

 Action of chemical substances on the heart : 



LangendorfF, Ergebnisse d. Physiol., IV. 



Luciani, Human Physiology, trans, by Welby, p. 337. 1911. 

 Electric charge of membranes : 



Perrin, Journ. de Ghimie Physique, II, p. 601. 1904. 

 Action of trivalent ions on heart and on colloids : 



Mine», Joimi. Physiol., XL, p. 327. 1910. /6?W., XLII, p. 309. 1911. 



