VIII C o N T E K T S. 



K A M E R L I N O u O N N E s (h) preseiits a paper ol' Dr. L. H. Siertsema : "The 



calculation - iVoin the uini>iielic rotation of the plane of polarisation, for sub- 



vt 



stances without au absorptionband in the visible spectrum". 41 o. 



— presents a paper of Prof. J. P. Kuenen: "(Critical pheuoraeua of partially mis- 

 cible liquids-Ethane and Methylalcohol". 473. 



Methods and apjiaratus used in the Cryogenic Laboratory. UI. Bath of very 



uniform and constant low temperatures in the cryostat. 502. 028. A cryostat of 

 modified form for apparatus of small dimensions. 628. IV. A permanent bath of 

 li(iuid nitrogen at ordinary and at reduced pressure. 631. V. Arrangement of a 

 nUKCKHAUDT-AVEiss vacuumpuinp for use in the circulations for low temperatures. 633. 

 and li. H. pR. IIynuman. Isotherms of diatomic gases and their binary mix- 

 tures. V. An accurate volumenometer and mixing apparatus. ()36. 



K E K s M (vv. H.). lleductiou of observation equations containing more than one 

 measured quantity. 236. 



KLUÏ VER (J. c). An analytical expression for the greatest common divisor oi two 

 integers. 658. 



K N I P s c H E E R (h. m.). Intramolecular rearrangement of atoms in azoxybenzene and 

 its derivatives. 51. 



K o L K (j, L. C. S C H K o E D E R VAN!) Y. R). See ^^CllROKÜER VAN OER KüLK (J. L. CJ.). 



KOR TEW EG (ü. .I.)- Plaitpoints and corresponding plaits in the neighbourhood of 

 the sides of the vj/-surface of van der Waals. 445. 



KUENEN (J. P.). Critical phenomena of partially miscible liquids-Ethane and Methyl- 

 alcohol. 473. 



L A A R (J. J. V A N ). The course of the melting-point-line of solid alloys or amal- 

 gams. (I). 424. (U). 511. 



On the potential-difference, which occurs at the surface of contact of two dillerent 



non-miscible li([uids, in which a dissolved electrolyte has distributed itself. 431. 



On the course of the values of b for hydrogen, in connection with a recent 



formula of Prof. VAN der Waals. 573. 



LANGELAAX (j. AV.). The principle of entropy in physiology. (11). 57. 



LAW (A new) concerning the relation between stimulus and ellect. 3".i2. 4H. 



LIFE (Influence of changed conditions of) on the physical and psychical development 

 of the population of Central-Borneo. 525. 



LIQUIDS (Critical phenomena in partially miscible). 307. 



— (Critical phenomena of partially miscible)-Ethane and Methylalcohol. 473. 



— (On the potential-diüerence, which occurs at the surface of contact of two diffe- 

 rent non-miscible), in which a dissolved electrolyte has distributed itself. 431. 



LURRY DE BRUYN (c. A.) presents a paper of Dr. H. M. Knipscheer : "Intra- 

 molecular rearrangement of atoms in azoxybenzeue aud its derivatives." 51. 



— presents a paper of Dr. J. J. Blanksma : "The intramolecular rearrangement in 

 halogenacetanilides and its velocity." (1). 178. (II). 359. 



— presents a paper of Dr. Th. Weevers : "Investigations of glucosides in connec- 

 tion with the internal mutation of plants," 295. 



