CONTENTS 



EH RE N F E ST-A F A N A SS J E w A (Mrs. T.). Au i'lcletermiiuiteness in the interpre- 

 tation of the entropy as log W. 53. 



E I N 3 T E I n's theory of gravitation (Calculation of some special cases, in). 68. 



ELECTRICAL PHENOMENON (On the Sign of the) and the Influence of Lyotrope 

 series observed in this phenomenon. 417. 



ELECTRICAL SÜPERTENSION (The phenomenon). 375. 



ELECTROCHEMICAL Behaviour (On the) of Metals. 158. 



ELECTROLYTES (On the influence of) on the motility of Chlamydomonas variabilis 

 Dangeard. 782. 



ELECTROLYTIC Conductivity (The mutual influence on the) of gallic tannic acid and 

 boric acid in connection with the composition of the tannins. 907. 



ELECTROMOTIVE EQUILIBRIA (On the significance of the Volta-Eft'ect in Measurements 

 of). 562. 



EMULSION- PARTICLES (The variability with time of the distributions of). 92. 



ENTROPV as log VV. (An iudeterminateness in the interpretation of the). 53. 



ENZYME-ACTION (Urease and the radiation- theory of). U26. 11. 1307. 



EQUATION OF STATE (On the) for Arbitrary Temperatures and Volumes. Analogy with 

 Planck's Formula. 1184. 



EQUILIBRIUM-ORGAN (Our). 626. 



EQUILIBRIUM-SENSATION (^Cerebellar ataxia as disturbance of the). 637. 



ERLEN MEYER Jr. (The heterocinnamic acids of). 1048. 



KRKATA. 966. 



ETHER-CHLOROFORM (On the 8yslem). 401. 



EUCLIDIAN SPACE (On the number of degrees of freedom of the geodetically moving 



system and the enclosing) with the least possible number of dimensions. 607. 

 EVALUATION (On the) of f(2w-}-l). 446. 



EVAPORATION (On the) from a Circular Surface of a Liquid. 271. 

 eykman's Kefractometric Investigations, in Connection with the Presentation of the 



Edition of his Works. 1200. 

 evkman (c.) and D. J. Hulshoff Pol. Experiments with Animals on the Nutritive 



Value of Standard Brown- Bread and White-Bread. 48. 

 FACTORIALS (Observations on the development of a function in a series of). 428. 



II. 582. 

 FLacuEN (Ueber eineindeutige, stetige Transformationen von) in sich. 6e Mitleilung. 707. 

 FLOREs (On Tin-ore in the Island of). 409. 

 FOKKER (a. d). On the equivalent of parallel translation in non-Euclidean space, 



and on Riemann's measure of curvature. 505. 

 FORTUYN (a. b. droogleever). The involution of the Placenta in the 



Mouse after the Death of the Embryo. 231. 



— On two Nerves of Vertebrates agreeing in Structure with the Nerves of Inver- 

 tebrates. 756. 



FRICTION (On) in connexion with Brownian movement. 616. 



— of Liquids (On the Theory of the) 743. II. 1283. 



FUNCTION (Observations on the development of a) in a series of factorials. 428. II. 582. 



