CONTÉ NT S. 



ABERRATION (STOKEs'tlieory of) in the supposition of ;i variable density ot the aether. 

 323. 413. 



AETHER. See Ether. 



ANAËROBICS (On the relation of the ohligatons) to free oxygen. 14. 



ANIMALCELLS (On the inflneuce of salt-solutions on the volume of). 26. 103. 371. 



ANOMALIES (On some) in the system of Mendelejeff. 148. 



AKOMALY (An) in the course of the plaitpointcurve in a mixture of anomalous sub- 

 stances. 385. 



i-NTlMONlAL Alloys for axle boxes (On chemical and microscopical examination for). 35. 



Astronomy. E. F. van de Sande Bakhuvzen: '/On the motion of the Pole of the 

 Earth according- to the observations of the years 1890 — 1896". 42. 



— E. F. VAN DE Sande Bakhuyzen: "Some remarks upon the 14-monthly motion 

 of the Pole of the Earth and upon the length of its period." 157. 201. 



ASYMMETRY (On an) in the change of the spectral lines of iron, radiating in a mag- 

 netic field. 27. 98. 



ATOMS (On synthetically prepared neutral glyceryl-ethereal salts — triacylius — of 

 saturated monobasic acids with an even number of C-). 338. 



ATTENTION and Respiration. 121. 



AXLE BOXES (On chemical and microscopical examination of antimonial alloys 

 for). 35. 



Bacteriology. M. W. Beyerinck : »0n the relation of the obligatous anaërobics to 

 free oxygen." 14. 



BAKHUIS ROOZEBOOM (h. W.). Congealing points and points of transition in 

 mixed crystals of two substances. 101. 



— On congealing- and melting-phenomena in substances showing tautomerism. 176. 



— presents the dissertation of Dr. G. van Eyk : "On mixed crystals of nitrate of 

 kalium and nitrate of thallium." 229. 



— On solubility and meltingpoint as criteria for distinguishing racemic combinations, 

 pseudoracemic mixed crystals and inactive conglomerates. 310. 



— presents a paper of Dr. Ernst Cohen : "On the velocity of electrical reaction." 

 334. 417. 



— On meltingpoints in systems of optic isomers. 466. 



bakhuyzen (e. f. van d e SAND e). See Sande Bakhuyzen (E. F. van de). 

 BALL (The representation of the screws of) passing through a point or lying in a 

 plane, according to the method of Caporali. 258. 



33 



Proceedings Royal Acad. Aiusterdaui. Vol. 1. 



