Mathematics - . J. Bruin: “On the surfaces the asymptotic hues of whic 
determined by quadratures.” 759. 
— Jan de Vries: “On polar figures with respect to a plane cubic curve 
— L. E. J. Brouwer: “On the structure of perfect sets of points” 7So. 
melting-point lines (On retrogressive). 227. 
methylchavicol (Javanese Bnsilicum oil and). 15. 
Microbiology- F. Liebert: “The decomposition of uric acid by bacteria.” 54. 
— M. W. Beijerinck: “Viscosaccharase, an encym which produces si 
— M. W. Beyebincx: “Variability in Bacillus prodigiosus.” 640. 
_ M. W. Beiieeikce: “ Emulsion laayalan. tie product of the action of risco- 
M.CEMc™Tlc°iDir^urfi.ce and structure of the cortex of a). 60S. 
miscibility (On the influence of the pressure on the) of two b^k. 835. 
molengraaff (g. a. f.). On oceanic deepsea deposits of Centrnl-Borneo. 141. 
M °_ presents a paper of Mr. H. A. Brouwer: “On micaleucite basalt from Enstern- 
Borneo”. 14. 
_ presents a paper of Dr. P. Tesch: “On Jurassic fossils as rounded pebbles m 
North Brabant and Limburg.” 422. 
_ presents a paper of Mr. H. A. Brouwer: “Pienaarite, a melanocratic foyaite 
from Transvaal.” 547. 
moll (J.w.) presents a paper of Mr. E. Binders: “Sap raising forces m living wood. 06 i. 
- presents a paper of Mr. K. ZulSTaai “Contributions to the knowledge of the 
movement of water in plants. 574. 
_ presents a paper of Prof. C. van WisselincH: “On the tots for taauln .0 the 
living plant and on the physiological significance of tannin.” 6So. 
mobinda 'citrifolia l. (The essential oil from the fruits of). 17. 
motor facialis (On the) and abdueeas nucleus of Lophina paeatonna. 44. 
muscles (About the formation of creatin. in the) at the tonus and the development 
of rigidity. 650. 
natrium-sulphate (On the system water-). 244. 
neon and helium (Data concerning). 175. 
nitration (Or the) of diethylaniline. 297. . . ...... 
niteocompouwd. (The abnormal redactio. of an aroma.,e) with „n and hydroehlonc 
acid and an interesting case of dimorphism. 305. 
noyons (a. K. M). Communications about the electrogram of theatnumcordis.680. 
OOOOE-AFV1E1TV (About), baaed on experiments of Mr. J Hebmaxides. 90. 
on. (The essential) from the fruits of Morinda citrifblia L. 17. 
olie jr. (J.) and Ernst Cohen. The atomic volume of allotropie modihcations at 
very low temperatures. 437. 
ORBITS of a function (On the) obtained by infinitesimal iteration in its complex 
plane. 503. 
oac.LLAT.ONS (The) .bout a position of equilibrium where a simple linear relation 
exists between the frequencies of the principM vibrations, lstpmt 619. Snd. part. 735. 
