CONTENTS. Ill 



B A K H u Y z E N (E. F. V A N I) E S A N D e) presents ;i paper of Mr. J . E. de Vos 

 VAN SteenwI-K: "Investigation of the inequalities of approximately monthly period 

 in the longitude of the moon, according to the meridian observation^ at Green- 

 wich. 124. Part 2. Ul. Addendum. 89U. 



— On the significance of the term in the right ascension of the moon, found by 

 J. E. de Vos van Steenwijk. 144. 



BENJAMINS (c. E.). Ou esophageal auscultation and the recording of esophageal 



heart sounds. 1Ü41. 

 BERYLLIUM (On the isomorphy of the ethylsulphates of the metals of the rare earths, 



and on the problem of eventual raorphotropic relations of these salts with 



analogous salts of Scandium, Indium and). 109.5. 

 hetii (u. j. e.). The envelope of the osculating ellipses, which are descril)ed l)y the 



representative point of a vibrating mechanism having two degrees of freedom of 



nearly equal frequencies. 938. 

 B E IJ E R 1 N c K (m. w.). Oxidation of manganocarbonate by microbes. 397. 



— presents a paper of Mr. Z. Kamerling : "On the regulation of the transpiration 

 of Viscum album and Rliipsalis cassytha". 1008. 



— The nitrate ferment and the formation of physiological species. 1211. 

 BEYRICHIA TUBERCULATA KLÖDEN sp. (The orientation of the shells of). 67. 

 Bii/iNEAR CONGRUENCE (a) of twisted quartics of the first species. 733. 

 BILINEAR CONGRUENCES and Complexes of plane algebraic curves. 726, 



BINARY MIXTURES (Isothermals of di-ntomic substances and their). XIII. Liquid 



densities of hydrogen between the boiling point and the triple point ; contraction 



of hydrogen on freezing. 245. 

 '— (Isothermals of monatoraic substances and their). XV. The vapour pressure of 



solid ond liquid argon from the critical point down to — 206° C. 477. 

 Glaauw (a. h.). The primary photo-growthreactioii and the cause of the positive 



phototropism in Phycomyces uitens. 774. 

 blood-coagulation problem (A contribution to our knowledge of the). 172* 

 BLOOÜCOKPÜSCLES (On the change in the permeability of the red) (also in man) 19. 

 BODY (On the relation between the quantity of brain and the size of the) in vertebrates. 647. 

 BOER (s. D e). On the reflectorical infiuence of tlie thoracal autonomical nervous 



system on the rigor mortis in cold-blooded animals. 95i?. 

 BÖESEKEN (J.) and J. E. Carrikke. On dichloroacetylene. 1093. 



— and VV. D. Cohen. Ou the reduction of aromatic ketones. 91. II. 962. 



— and K. H. A. Sillkvis. 'Ihe stability of cyclohydrocarbons in connection with 

 their configuration. The transformation of cyclo-hexene into benzene and cyclo- 

 hexane. 499. 



— and P. E. Verkade. The mechanism of the acid formation of aliphatic acid 

 anhydrides in an excess of water. 718. 



bo IS (h. D u) presents a paper of Dr. P. Martin : "The magneto-optic KERR-ellect 



in ferromagnetic compounds." 1\ . 318. 

 BOK II o R s T (s. c), A. Smits and .1. \V. Terwen. On the vapour pressure lines of 



the system phosphorus. I. 1174. 



