Physics. Ernst Cohen and J. Oil* jr.: ‘-The atomic volume of allotrc 
at very low temperatures.” 437. * 
— W. H. Julius: “On the origin of the chromospheric light.” 446. 
— J. J. van Laar: “Some remarks suggested by a paper by Messrs. Timmerman 
and Kohnstamm.” 454. 
— J. W. Giltay and M. de Haas: “On the motion of the bridge of the violin.” 6 U 
— Ph. Kohnstamm: “A short reply to Mr. Van Laar’s remarks.” 534. 
— P. Zeeman and B. Winaweb: “The magnetic separation of absorption lint 
in connexion with sun-spot spectra”. 584. 
— H. E. J. G. du Bois and Kotaro Honda: "The tbermomagnetic propertie 
of elements.” 596. 
— J. J. van Laar: “Some remarks on Prof. Kohnstamm’s reply.” 617. 
— Pierre Weiss and H. Kamerlingh Onnes: "Researches on magnetization i 
very low temperatures.” 649. 
— A. Smits: “A new theory of the phenomenon allotropy”. 763. 
— H. Kamerlingh Onnes and Albert Perrier: “Researches on the magnet 
zation of liquid and solid oxygen.” 799. 
_ St. Loria : "The magneto-optic KERR-effeet in ferromagnetic compounds an 
835. 
f creatine in the muscles 
I4K: “On the consumption of oxygen by cold-bl 
"About odour-affinity, based on experiment 
— F. J. J. Buytendijk : "On the changes in the 
bleeding.” 377. 
_ F. J. J. Buytendijk: "On the constitution of the 
and increased diuresis.” 380. 
_C. J. C. van Hoogenhuyze: “About the formatio 
at the touus and the development of rigidity.” 550. 
— A. K. M. Noyons: "Communications about the electrogram of the atrium cordis ”681 
_ H. Zwaardemaker : “The Camera silenta of the Physiological Laboratory i 
Utrecht.” 706. 
_ j. G. Sleeswijk : "Contributions to the study of serum-anaphylaxis” 4th Con 
munication. 781. 
pienaarite, a melanocratic foyaite from Transvaal. 547. 
piperazine (On derivatives of). 452. 
t>L acK (T.) presents a paper of Mr. F. J. J. Buytendijk: “On the cousumptic 
of oxygen by cold-blooded animals in connection with their size ” 48. 
plane (The cubic involution of the first rank in the). 751. 
plant (On the tests for tannin in the living) and on the physiological signiiicam 
lants (The influence of temperature on the respiration of the higher). 219. 
_ (Contribution to the knowledge of watersecretion in). 306. 400. 
— (Contribution t< 
