Ill CONTENTS 



MAGNETIC FIELD (On the question wlietlier the internal) to which the diurnal variation 

 in terrestrial magnetism is partly ascribed, depends on induced currents 361. 



MAN (On the variability of the number of giant pyramidal cells in the HEsdiiL 

 convolution in). 788. 



MARTIN (k.). On some fossils from Celebes, believed to belong to the Oligocene. 793. 



— On the miocene fauna of the West-Progo-mountains in Java. 800. 

 MATERIAL SYSTEM (On the mass of a) according to the gravitation theory of Einstein. 1076. 

 Mathematical Analyse. A. Den;oy: "Sur une propriété des fonctions de variable 



complexf". 877. 



— L. E. J. Hbodwer: ,,0n linear inner limiting sets". 1192. 



Mathematics. 15. P. Haalmeyer: "Elementary surfaces of the third order". 101. 2nd 

 Communication. 804. "^rd Communication 736. 4th Communication. 1246. 



— J. C. Klüvver: "On hyperelliptic integrals of deliciency p = 2, reducible by a 

 transformation of order r = 4". 330. 



— Jan ue Vbies: "Surfaces that may be represented in n plane by a linear congruence 

 of rays''. 419. 



— H. B. A. 13ocK WINKEL: "Some considerations on complete transmutation". 3rd 

 Communication. 449. 4th Communication 609. 5th Communication. 893. 6th 

 Communication. 910. 7th Communication. 924. 



— W. A. WvTHOFF: "A relation between the polytopes of the Ceoo- family". 966. 



— W. A. Vebsluts: "On satellite points on curves, given by the equations 

 X = aiP, y = 0^9". 1054. 



mechanical EduiVALENT (The brightness of the black body and the) of light. 1036. 



MECHANICAL SYSTEMS (Adiabatic invariants of). T. 149. II. 158. III. 163. 



Mechanics. W. de Sitter: "Further remarks on the solutions of the field-equations 



of Einstein's theory of gravitation". 1309. 

 MEE3 (r. t. a.) and F. M. Jaeger. On complex salts of ferri-malonic-acid. 283. 

 MEGAKARYOCYTES (On the behaviour of) in the spleen of the young kitten. 971. 

 MEMORY (Intercomparison of some results obtained in the investigation of) by the 



natural and the experimental learning method. 477. 

 MENDELIAN Segregation with the heredity of headform in man, 435. 865. 

 MERCURY and Phosphorus (On the critical temperature and pressure of). 138. 

 METAL FILMS (Ultramicroscopic investigation of very thin) obtained by evaporation 



high vacuum. 1135. 

 Meteorology. W. van Bemmelen and J. Boerema: "The semi-diurnal horizontal 



oscillation of the free atmosphere up to 10 km above sea level deduced from 



pilotballoon observations at Batavia". 119, 



— C. Easton: "Periodicity of Winter temperatures in Western Europe, since A. D. 

 760". 1092. 



— W. VAN Bemmelen: "The atmospherical circulation above Australasia according 

 to the pilotballoon-observations made at Batavia". 1313. 



methylchavicol (On polymers of). 64. 



MEYER (g.), E. Th. Beck and A. Smits. On black phosphorus. II. 392. 



MILK-SUGAR (On). I. 520. II. 573. 



