CONTENTS. v 
EQUATION (Special cases of Monon’s differential). 21. 
— of Monae (The differential). 423, 
— of state (Expression of the) of gases and liquids by means of series. 125. 
ERYTHRIC ACID. See TRIOXYBUTYRIC ACID. 
ETHER (Vapour-tensions of mixtures of) and chloroform. 156. 
EIJK (c. VAN). A method for separating crystals from alloys. 758. 
FACTORISATION of large numbers. I. 326. IL. 425, IIL. 501. 
FAECES (Bacteriologie researches of human). 65. 
FAT OF MILK (On the influence of feeding on the composition of the). 746. 
FEEDING (On the influence of) on the composition of the fat of milk. 746. 
FRANCHIMONT (A. P. N.). A new class of nitramines. 88. 
— presents a paper of miss FE. van AKEN on: „The oxidation of organic nitrogen- 
compounds and the estimation of the carbon and nitrogen therein by the moist 
process”. 91, 
— presents a paper of Dr. P. van RomBuramH: vOn the action of nitric acid 
on alkylated amides of p-toluenesulphonie acid”, 616. 
— presents a paper of Dr. P, van RomBURGH; »On some further constituents of 
the essential oil of Kaempferia galanga L”. 618. 
GASES (Expression of the equation of state of) and liquids by means of series. 125. 
— (Isotherms of diatomic) and their binary mixtures. II. 761. MEL 767. LV. 776, 
GASTRULATION (On the) and the formation of the mesoblast in mammals 161. 
GEGEN BAUER (L.). Cn the theory of the biquadratic rest. 169. 
— On integrals containing functions of Bessel. 584. 
GEOGRAPHICAL POSITIONS (Contributions to the determination of) on the West-coast 
of Africa, 274. 
Geology. Euc. Dugors: „On the supply of sodium and chlorine by the rivers to the 
sea”, 388. 
— J. A. Grurrertnk: vExamination of specimens of sand from borings done at 
the works of the outer harbour at Scheveningen”. 464. 
— J. L. C. SCHROEDER VAN DER KOLK: /STARING and the coal-question of southern 
Limburg”. 639. : 
GERMINATION (On the irritable stigmas of Torenia Fournieri and Mimulus luteus and 
on means to prevent the) of foreign pollen on the stigma, 184, 
GILTAY (J. w.). The effect of the induction coil in telephonic apparatus. [. 357. IL. 400. 
GRUTTERINK (J. A). Examination of specimens of sand from borings done at 
the works of the outer harbour at Scheveningen. 464. 
HAMBURGER (u. J.) presents a paper of Dr. B, SsoLLeMa: „On the influence of 
feeding on the composition of the fat of milk”. 746. 
— and E. Hexma. On the intestinal juice of man. 738. 
HEART (The negative-inotropic influence of the nervus vagus on the). 162. 
HEKMA (B) and H. J. HamsBurcer. On the intestinal juice of man. 733. 
HERTZs Prinzipien der Mechanik (Some considerations on the principles of dynamics 
in connexion with), 713, 
