COUN. TEENS Tes: III 
/ BRAIN of Amphioxus lanceolatus (On the infundibular region of the). 695. 
BROMINATION and nitration in the aromatic series. 643. 
BRUYN (C. A. LOBRY DE). See LoBry ve Bruyn (C. A.). 
BURCK (w.). On the irritable stigmas of Torenia Fournieri and Mimulus luteus 
and on means to prevent the germination of foreign pollen on the stigma. 184. 
CADMIUM AMALGAMS. 1, 
CALIBRATION of Piëzometertubes (The). 35. 
CARBAMIDES. See UREA DERIVATIVES. 
CARBON (The oxidation of organic nitrogencompounds and the estimation of the) 
and nitrogen therein by the moist process. 91. 
CARDINAAL (J.) presents a paper of Mr. K. Bes: „Analytical determination of 
the ninth point in which two curves of degree three, passing through eight 
given points, intersect each other”. 193, 
— On the motion of variable systems. I. 489. II. 588. 
Chemistry. H. W. Bakuurts RoozEBooM on: „Cadmium Amalgams”. 1. 
— A. Smits and L, K. Worrr: „On the repelling of the ionisation of solutions 
NaOH, Nas CO; and Na HCO, by addition of NaCl”. 42, 
— C. Prey: „Synthesis of trioxybutyric acid (erythrie acid)”. 77. 
— G. VAN DER SLEEN: /On u-hydroxybutenoic acid (vinylglycollic acid) and its 
decompositions”. 79. 
-— A. P. N. FRANCHIMONT: „A new class of nitramines”. 88. 
— E. van Aken: /The oxidation of organic nitrogen-compounds and the estimation 
of the carbon and nitrogen therein by the moist process”. 91. 
— S, Hoocewerrr and W. A. van Dore: On the influence of the position of 
atomgroups in aromatic compounds on the process of the reactions”. 161. 
— A. Sirs: „Investigations with the micromanometer”. 163. 
— N. ScHoorL: „Urea derivatives (carbamides) of sugars”. 214. 
— J. J. BLANKSMA: vOn the influence of different atoms and atomic groups on 
the conversion of aromatic sulphides into sulphones”. 264. 
— H. W. Baxuuts RoozeBooMm: „Saline solutions with two boiling points and 
phenomena connected therewith”. 371. 
— Ernst Conen: „The Enantiotropy of Tin”. VII. 377. 
— J. J. BLANKSMA: „On pentanitrophenylmethylnitramine and tetra-and pentani- 
trophenol”, 437. 
— P. van RoMBURGH: On the action of nitric acid on alkylated amides of p-toluene- 
sulphonic acid”. 616. 
— P. van RoMBURGH : „On some further constituents of the essential oil of Kaempferia 
galanga L”. 618. 
— H. W. Bakuurs Roozesoom: „On the melting of binary solid mixtures by 
cooling’. 636. 
— J. J. Buanksma: /Bromination and nitration in the aromatic series”. 642. 
— J. Misers: /On the decomposition of mercury nitrates by heating’. 657. 
— J. W. Divo: „The densities of mixtures of hydrazine and water’. 756. 
— C, van Evx; vA method for separating crystals from alloys”. 758. 
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