XXII CONTENTS 
MerHops and apparatus used in the cryogenic laboratory. XVII. Improved 
form of a hydrogen vapour cryostat for temperatures between —217° C. 
and 253°, Cioll&5, 
Mica-pites (Some remarks concerning the Röntgenograms obtained by 
means of) composed by crossed lamellae. 676. 
MICRO-ORGANISMS (On the action of) on organic compounds. II. The solubility 
of some organic acids in fatty oils. 783. 
M. MARSUPIALIS and the M. pyramidalis (On the homology of the) in 
mammals. 1119. 
MOLECULAR ATTRACTION (On the critical quantities of mercury in connection 
with the increase of the) on dissociation of the double molecules. I. 
260282: 
Morrcures (On the critical quantities in the case of association, when the 
molecular attraction is considerably increased on dissociation of the) 
to the isolated atoms, also in connection with the critical quantities of 
mercury. II. 282. 
— (The quadrupole moments of the oxygen and nitrogen). 939. 
MOLENGRAAFF (G. A. F.) and Max Weber. On the relation between 
the pleistocene glacial period and the origin of the Sunda sea (Java- 
and South China-sea), and its influence on the distribution of coralreefs 
and on the land- and freshwater fauna. 395. 
— On the geological position of the oil-fields of the Dutch East- 
Indies. 440. 
— presents a paper of Prof. H. A. BROUWER: “Crystallization and resorption 
in the magma of the volcano Ruang. (Sangi Islands)” 561. 
— presents a paper of Prof. H. A. BROUWER: “Fractures and faults near 
the surface of moving geanticlines.” I. 570. 
— On manganese nodules in mesozoic deep-sea deposits of Dutch Timor; 
with a preliminary note on “Fossils of cretaceous age in those 
deposits.” 997. 
— presents a paper of Prof. H. A. BROUWER: “On the composition and 
the xenoliths of the lavadome of the Galunggung (West-Java).” 1234. 
— presents a paper of Prof. H. A. Brouwer: “On the alkalirocks of 
the Serra do Goricino to the northwest of Rio de Janeiro and the 
resemblance between the eruptive-rocks of Brazil and those of South- 
Africa.” 1241. 
Mor (W. E. pe). On the influence of circumstances of culture on the 
habitus and partial ‘sterility of the pollengrains of hyacinthus orien- 
talis. 1289. 
Morr (J. W.) presents a paper of Mr. S. A. ARENDSEN HEIN: “Technical 
experiences in the breeding of tenebrio molitor.” 193. 
