Vi C O X T K N T S. 



DA LH UI SEN (a. F. II.)- V. WlND (C. HA 



differential equations (On a special class of homogeneous linear) of the second 



order. 406. 

 dihydrocholesteuol (On the anisotropous liquid phases of the butyric ester of), 



and on the question as to the necessary presence of an ethylene double bond 



for the occurrence of these phenomena. 701. 

 dinithoantline-derivatives (On the crystalforms of the 2.4), substituted in the 



NH 3 -group. 23. 

 dispersion bands (Arbitrary distribution of light in), and its bearing on spectros- 

 copy and astrophysics. 343. 

 dorssen (w. van) and P. van PiOMBURGH: "On some derivatives of 1-3-5- 



hexatriene." 111. 

 eclipses (Mutual occultations and) of the satellites of Jupiter in 1908. 304. 2nd 



part. 444. 

 egg (Gastrulation and the covering of the yolk in the teleostean). 800. 

 electrical conductivity (On the influence which irradiation exerts on the) of 



Antimonite from Japan. 809. 

 elliptic motion (Researches on the orbit of the periodic comet Holmes and on the 



perturbations of its). 414. 

 emission and absorption bands (Wavelengths of formerly observed) in the infra-red 



spectrum. 706. 

 equilibria solid-fluid (On metastable and unstable). 048. 

 EQUILIBRIUM (On the introduction of the conception of the solubility of metal ions 



with electromotive). 2. 

 solid-fluid (On the course of the P.ï-curves for constant concentration for the). 9. 



— of systems of forces and rotations in 8p A . 820. 

 erratum. 14S. 378. 511. 593. 



esters (On the fatty) of Cholesterol and Pbytosterol, and on the anisotropous liquid 



phases of the Cholesterol-derivatives. 78. 

 ethane and nitrous oxide (Graphical deduction of the results of Kuenen's experiments 



on mixtures of). 664. 

 ETHYLENE double bond (On the anisotropous liquid phases of the butyric ester of 



Dihydrocholesterol, and on the question as to the necessary presence of an) for 



the occurrence of these phenomena. 701. 

 Euclidean spaces (The force field of the non-) with negative curvature. 116. 



— (The force field of the non-) with positive curvature. 250. 



expansion (Coefficient of) of Jena glass and of platinum between -f- 16° and — 182°. 



199. 

 E Y s b roek (h.). On the Amboceptors of an anti-streptococcus serum. 336. 

 fins (On the influence of the) upon the form of the trunk-myotome. 814. 

 fisii-fauna of New Guinea (On the fresh-water). 462. 

 F lower (On the influence of the nectaries and other sugar-containing tissues in the) 



on the opening of the anthers. 390. 

 force-field (The) of the non-Euclidean spaces with negative curvature. 116. 



