CON '1 E N T S. VII 



EiNTHOVEN (w.). Analysis of the curves obtained with the string galvanometer. 



Mass and tension of the quartz wire and resistance to the motion of the string. 210. 

 F.LECTRON (Remarks concerning the dynamics of the). HI. 

 ELLIPTIC MOTION (Researches on the orbit of the periodic comet Holmes and on the 



perturbations of its). 642. 

 ELLIPTIC orbit (Approximate formulae of a high degree of accuracy for the ratio of 



the triangles in the determination of an) from three observations. II. 104. 

 EMISSION LINES (The absorption and) of gaseous bodies. 591. 

 E N K L A A B (c. J.). On Ocimene and Myrcene, a contribution to the know ledge of 



the aliphatic terpenes. 714. 



— On some aliphatic terpeue alcohols. 723. 



EQUATIONS (Derivation of fundamental) of metallic reHection from Gaucuy's theory. 486. 

 EQUILIBRIA (The Tx-) of solid and fluid phases for variable values of the pressure. 193. 



— (On the hidden) in the j:;x-diagram of a binary system in consequence of the 

 appearance of solid substances. 196. 



— (On the hidden) in the ^.«-sections below the eutectic point. 568. 

 ERiNACEUs EDBOPAEUS L. (The uterus of) after parturition. 812. 



ERRATICS (The geographical and geological signification of the Hoiidsrug, and the 



examination of the) in the Northern Diluvium of Holland. 427. 

 ERRATUM. 426. 



ESTER, ANHYDRIDES of dibasic acids. 336. 



ESTERS (On the action of ammonia and amines on formic) of glycols and glycerol. 339. 

 EDTECTic POINT (On the hidden equilibria in the y;„r-sections below the). 568. 

 E Y D M A N JR. (f. h.). On colorimetry and a colorimetric method for determining 



the dissociation constant of acids. 166. 

 EXCRETION (On the) of creatinin in man. 363. 



FISCHER (e u G E n). On the primordial cranium of Tarsius spectrum. 397. 

 FLOWER-STALKS (Some observations on the longitudinal growth of stems and). 8. 

 FLUIDS of the body (On the diti'erentiation of), containing proteid. 628. 

 FLUORINE, chlorine, bromine and iodine (Contribution to the knowledge of the isonior- 



phous substitution of the elements), in organic molecules. 614. 

 franchimont (a. p. n.). presents a paper of Dr. D. MoL: "Ester anhydrides of 



dibasic acids." 336. 



— presents a paper of Dr. F. M. Jaeger: "Contribution to the knowledge of the 

 isomorphous substitution of the elements Huoriue, chlorine, bromine and iodine, 

 in organic molecules." 614. 



— and H. Friedmann. The amides of a- and |3-amiuo])ropionio acid. 475. 

 frequency curves (On) of meteorological elements. 314. 



— (On) of barometric heights. 549. 



FRIEDMANN (h.) and A. P. N. Franchimont. The amides of x- and |3-aminopro- 



pionic acid. 475. 

 FUMARic acid (On the chlorides of maleic acid and of) and on some of their derivatives. 387. 

 FUNtTiONS (The quotient of two successive Bessel). 1. 547. II. 640. 



