CONTENTS. Ill 



BINARY SYSTEM (Oil the hidden equilibria in the ;*, .i-diagram of a) iu consequence of 



the appearance of solid substances. 196. 

 BINARY SYSTEMS (The difl'erent branches of the three-phaselines for solid, liquid, 



vapour in) in which a compound occurs. 455. 



— (The boiling points of saturated solutions in) in which a compound occurs. 536. 

 B L A A u w (a. h.) and F. A. F. C. Went. On a case of apogamy with Uasylirion 



acrotrichum Zucc. 684. 

 BLANKSMA (j. J.). Nitration of symmetric nilrometaxylene. 70. 



— • The introduction of halogen atoms into the benzene core in the reduction of 

 aromatic nitro-corapounds. 680. 



— and F. M. Jaeger. On the six isomeric tribromoxylenes. 153. 

 BLOOD (On catalases of the). 623. 



BOCKWINCKEL (h. b. A.). On the propagation of light in a biaxial crystal around 



n centre of vibration. 7^8. 

 BOILING POINTS (Ths) of Saturated solutions in binary systems in which a compound 



occurs. 536. 

 B o L k's centra in the cerebellum of the mammalia. 298. 

 BOLK (l.). On the development of the cerebellum in man. 1st part. 1. 2nd part. 85. 



— presents a paper of Dr. A. J. P. van den Broek : "On the sympathetic nervous 

 system in Monotremes". 91. 



— On the relation between the teeth-formulas of the platyrrhine and catharriue 

 primates. 781. 



boltzmann's Vorlesungen iiber Gastheorie (Some remarks on the (|uantity // in). 630. 

 Botany. K. Verscuaffelt : "Some observations on the longitudinal growth of stems 

 and flower-stalks". 8. 



— F. A. F. C. Went: "Some remarks on the work of Dr. A. A. Pulle : "An 

 enumeration of the vascular plants known from Surinam, together with their 

 distribution and synonymy". 639. 



— F. A. F. C. Went and A. H. Blaauw : "On a case of apogamy observed with 

 Dasylirion acrotrichum Zucc." 684. 



— VV. BuRCK : "On plants which in the natural state have the character of ever- 

 sporting varieties in the sense of the mutation theory". 798. 



B o u M A N (z. P.). An article on the knowledge of the tetrahedral complex. 358. 

 BROEK (a. J. P. VAN den). On the sympathetic nervous system in Monotremes. 91. 

 BR0Ü1N.ATI0N (The) of toluene. 512. 

 BROMINE and iodine (Contribution to the knowledge of the isomorphous substitution 



of the elements fluorine, chlorine,) in organic molecules. 614. 

 BURCK (w.). On plants which in the natural state have the character of eversporting 



varieties in the sense of the mutation theory. 798. 

 CARBON-FOOD (Methan as) and source of energy for bacteria. 327. 

 cardinaal (j.) presents a paper of Dr. H. de Vries: "Central projection in the 



space of Lobatschefsky". 1st part. 3s9. 

 CATALASES (On) of the blood. 623. 



