CROENSTEE SN ITS Ni 
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complex polyhydroxyborate solutions. 1647. 
— ©. E. Kuamer and J. BörseKeN. The configuration of e-galactose and z-fructose. 
1654 
kerones (The photo-oxidation of alcohol with the co-operation of). 1640. 
KLAMER (c. &.), A. H. Kerstyens and J, BorseKen. The configuration of g-galactose 
and »-fructose. 1654. ; 
KLEiN (w. c.). On a trilobite fauna of presumably devonian age in the Dutch East 
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KLOOSTER (VAN) and F. M. Jsrarr. Investigations in the field of Silieate-Chemistry. 
IV. Some data on the meta- and ortho-silicates of the bivalent metals: Beryllium, 
Magnesium, Calcium, Strontium, Barium, Zine. Caleium and Manganese. 896. 
KOHLRAUSCH's hypothesis (Temperature-coefficient of conductivity in alcoholic 
solutions, and extension of) to alcoholic solutions. 373. 
KOORDERsS (s. H.). Sloanea javanica (Miquel) Sszyszylowiez, a remarkable tree growing 
wild in the jungle of Depok, which is maintained asa nature reserve. (Contribution 
to the flora of Java VIII). 521. 
KREATIN (Further observations on the relation between the muscular tonus and the 
amount of) in the muscles. 1564, 
KRUYT (H. R.). Double-refractive sol of vanad'um pentoxide. 1625, 
KUIPER JR. (K.). Physiology of the airbladder of fishes. 572. 
LAAR (J. J. VAN). Some remarks on the osmotic pressure. 184. 
— On the additivity of the vatues of 6 and Va of the equation of state, and on the 
fundamental values of these quantities for different elements, in connection with 
the periodical system. 1220. 
-- On the validity of Marurews’ so-called valency law. 1235. 
LANGE Jk. (DAN. DE). Critical and theoretical considerations about the origin of 
the primary foetal membranes in vertebrates. 1604. 
LEEUWEN (Miss c. vaN) and W, H. Kersom. On the second virial coefficient for 
rigid spherical molecules carrying quadruplets. 1568. 
LEEUWEN (Miss H. J. VAN). Some remarks of the hydrogen-molecule of Bour- 
Despre, 1071. 
LEPIDOPTERA (A contribution to the knowledge of the phylogeny of the wing-pattern 
in) 1557. 
LIGHT of different colours (ResNeL’s coeflicient for). 224 part. 398. 
LIMITING SEts (Remark on inner). 48. 
LIMITING SURFACE (On the nature of the) for multiple space transformations. 1636. 
LiquiDs (Investigations on the temperature-coefficients of the free molecular surface- 
energy of) at temperatures from —80° to 1650° ©, IX. 75. X. 269. XI. 285. 
RIT 7297.) MIL 5951 XLV. 617: 
LOBRY DE BRUYN (C. A.). v.: BRUYN (C. A. LoBRY DB). 
LORANTHACEAE (On the germination of the seeds of some Javanese). 220. 
LORENTZ (H. A.) presents a paper of Prof. L. H. Sterrsema: “The magnetic rotation 
of the polarisation plane in titanium tetrachloride.” [. 101. 
