IV CONTENTS 



BÖE8EKEN (j) (jreseiits a paper of Prof. F. (^. C. Scheffer and G. Meijer: "On 

 an Indirect Analysis of Gas- Hydrates by a Thermodynamic Method and Its 

 Application to the Hydrate of Sulphuretted Hydrogen." I. 1204. II. 1338. 



— and W. i\l. Deerns. The mutual influence on the electrolytic conductivity 

 of gallic tannic acid and boric acid in connection with the composition of the 

 tannins. 907 



— and Chr. van Loon. Determination of the Configuration of cis-trans isomeric 

 substances. 80. 



— Miss G. VV. Terqau and A. C. Binnendijk. On the influence of some salts on 

 the dyeing of cellulose with Benzopurpurin. i B. 893. 



BOLK (l.). On the topographical relations of the Orbits in infantile and adult skulls 

 in man and apes. 217. 



BORIC ACID (The mutual influence on the electrolytic conductivity of gallic tannic 

 acid and) in counectioJi with the composition of the tannins. 907. 



Botany. F. A. F. ('. Went: ''On the course of the formation of diastase by Asper- 

 gillus uiger"'. 479. 



— C. Spruit V. Pzn. : "On the influence of electrolytes on the motility of Chlamydo- 

 monas variabilis Dangeard". 782. 



brain-aveight (Comparison of the) in Function of the Body-Weight, between the Two 



Sexes. 850. 

 BREAD (Kxperiments with Animals on the J^utritive Value of Standard Brown- Bread and 



White-). 48. 

 BRINKMAN (r.) and H. J. Hamburger. The conduct of the kidneys towards some 



isomeric sugars (Glucose, Fructose, Galactose, Mannose and Saccharose, Maltose 



Lactose). 548, 

 BROUWER (h. a.). On the Non-existence of Active Volcanoes between Fantar and 



Dammer (East Indian arcinpelago), in Connection with the Tectonic Movements 



in this Kegiou. 795. 



— On the Age of the Igneous Kocks in the Moluccas. 803. 

 — On Reefcaps. 816. 



BROUWER (l. e. J.) presents a paper of Prof. Arnaud Denjoy : ''i^Jouvelle demon- 

 stration du théorème de Jordan sur les courbes planes". 126. 



— Ueber eineindeutige, stetige Transforniationen von Flachen in sich. 6ste Mit- 

 teilung. 707. 



— liemark on the plane translation theorem. 935. 



— Ueber topologische Involutionen. 1143. 



— Aufzahlung der periodischen Transformationen des Torus. 1352. 

 BROWNIAN MOTION (On the). 96. 



— (The Theory of the) and Statistical Mechanics. 109. 



— (On the theory of the). 922. 



— Movement (On friction in connexion with). 616. 



— (On the Theory of the). Appendix. 1057. 



BRUYN (c. A. LOB 11 Y D e) and A. Smits. On the Periodic Passivity of Iron 11. 382. 

 BUHGEH (h. c). On the Kvaporation from a Circular Surface of a L^'quirl. ?7I. 



