XVIII C O N T K N T S. 



temperatures (On the measurement of very low). IX. Comparison of a thermo- 

 element constantin steel with the hydrogen-thermometer. 180. Supplement. 

 403. X. Coefiicient of expansion of Jena glass and of platinum between 

 -}- 16° and — 182°. 199. XI. A comparison of the platinum resistance thermo- 

 meter with the hydrogen thermometer. 207. XII. Comparison of the platinum 

 resistance thermometer with the gold resistance thermometer. 213. XIII. Deter- 

 minations with the hydrogen thermometer. 367. XIV. Reduction of the readings 

 of the hydrogen thermometer of constant volume to the absolute scale. 775. 



tetracomponent system (On a) with two liquid phases. 607. 



thermo-element constantin-steel (Comparison of a) with the hydrogen thermometer. 



lfeO. Supplement. 403. 

 thermometer (Comparison of a thermo-element constantin steel with the hydrogen). 



180. Supplement. 403. 



— (A comparison of the platinum-resistance thermometer with the hydrogen). 207. 



— (Comparison of the platinum resistance thermometer with the gold resistance). 213. 



— (Determinations with the hydrogen). 367. 



— (Reduction of the readings of the hydrogen) of constant volume to the absolute 

 scale. 775. 



TiiiopHENic acid («-and (3-). 514. 



three-phaselines in Cliloralalcohokite and Anilinehydrochloride. 99. 



tortosa (Spain) (Observations of the total solar eclipse of August 30, 1905 at). 45. 



tricht (b. van). On the influence of the fins upon the form of the trunk-niyo- 



tome. 814. 

 triformin (Glyceryl triformate). 109. 

 trinitrophenyl-methylnitramine (On the action of bases, ammonia and amines 



on s.). 70-1. 

 trunk-mvotome (On the influence of the tins upon the form of the). 814. 

 twisted curve (Second communication on the Plucker equivalents of a cyclic point 



of a). 364. 

 vagus stimulation (An investigation on the quantitative relation between) and 



cardiac action. 590. 

 vectordistributions (Polydimensional). GO. 

 velocities (Some additional remarks on the quantity // and Maxwell's distribution 



of). 492. 

 versluys (w. a..) Second Communication on the Plucker equivalents of a cyclic 



point of a twisted curve. 364. 

 voerman (g. l.) and A. F. Holleman. «and /3- thiophenic acid. 514. 

 vosmaer (g. c. j.) presents a paper of B. van Tricht : "On the influence of the 



fins upon the form of the trunk-myotome." 814. 

 vries (jan de). Quadratic complexes of revolution. 217. 

 waals (van der) (Contributions to the knowledge of the ^-surface of). XI. A 



gas that sinks in a liquid. 459. XII. On the gas phase sinking in the liquid 



phase for binary mixtures. 501. XIII. On the conditions for the sinking and 



again rising of the gas phase in the liquid phase for binary mixtures. 508. 



