kïv 



C o N i K K ï S. 



METALS (On the theory of free electrons in). 280. 



_ (On the metastiibility of the) in consequence of allotropy and its signiiicance 

 for Chemistry, Physics and Technics. 632. 



— (On the pyrophoric phenomenon in). 999. 

 METAMOKPHOSis (On the) of Amphioxus lanceolatns. 574. 



METASTABILITY (On the) of the metals in consequence of allotropy and its sio-nilicancp 



for Chemistry, Physics and Technics. 632. 

 Meteorology. J. P. van der Stok: "Ou the relation between the cloudiness of the sky 



and the duration of sunshine". 507. 

 JIETHYLETHYLKETONE (A uew hvdrocarbon from the ])inacone of;. 10S8. 

 METliYLRHODANlUK-methyl-mustardoil (On the pseudo-system). 33. 

 MKTHYLUREA (Ou ihs nitration of). 77U. 



Microbiology. M. VV. Beyerinck : "Oxidation of mansanocarbonate by nii(;rol)Os". .'VJ7. 

 M. W. Pkyerinck: "The nitrate ferment and the formation of physiological 



species". 1211. 

 MICROTELEPHONE- APPARATUS (On reinforcement of sound and sound-selection by 



means of). 194> 

 Mineralogy. A. Wichmann: "On the pseudometeorite of Igast in Ijivonia". 292. 



— H. Haga and F. M. Jabger: "EöNTOENpatterns of Boracite. obtained above and 

 below its inversion-temperature '. 792. 



— F. M. Jaeger and Ant. Simek: "On temperature-measurements of anisotropous 

 bodies by means of radiation-pyrometers". 799. 



MIXING (On the question whether at the absolute zero entropy changes on). 669. 

 Mixtures of oxygen and nitrogen (The susceptibility of liquid) and the influence ot 



the mutual distance of the molecules upon paramagnetism. 901. 

 Molecules (The susceptibility of liquid mixtures of oxygen and nitrogen and the 



influence of the mutual distance of the) upon paramagnetism. 901. 

 ^- (The volume of) and the volume of the component atoms. 880. 

 Molengraaff (g. a. f.) presents a paper of Dr. H. A. Brouwer: "On zonal 



amphiboles in which the plane of optic axes of the margin is normal to that of the 



central part. 275. 



— presents a paper of Dr. H. A. Brouwer: "On homoeogeneous inclusions ot 

 Kawah Idjen, Goentoer and Krakatau and their connection with the surrounding 

 eruptive rocks". 995. 



MOLL (j. w.) presents a paper of Prof. C, van Wisselingh : "On the nucleolus and 

 karyokinesis in Zygnema". 11. 



— presents a paper of Prof. J. H. Bonnema : "The orientation of the shells o 

 Beyrichia tuberculata Klödeu sp.". 67. 



— present a paper of Miss Tine Tammf.s : "The explanation of an apparent excep- 

 tion to Mendel's law of segregation". 1021. 



-- presents a paper of Prof. J. li. Bonnema : "Contribution to the knowledge of 

 the genus Kloedenella Ulrich and Hassler". 1 105. 

 moll (w. j. h). a quick coil galvanometer. 149. 

 . — A rapid thermopile. 568. 



