CONTENTS. II 
BENZPINACONES (On intramolecular atomic rearrangements in). 271. 
BENZYLPHTALIMIDE (On) and Benzylphtal-iso-imide, 77. 
BES (K.). The equation of order nine representing the locus of the principal axes of a 
pencil of quadratic surfaces. 721. 
BESSEL FUNCTIONS (The values of some definite integrals connected with). 375. 
— (On a series of). 494, 
BEIJERINCK (M. w.). An obligative anaerobic fermentation sarcina. 580. 
BINARY MIXTURES (The derivation of the formula which gives the relation between 
the concentration of coexisting phases for). 156. 
— (The conditions of coexistence of) of normal substances according to the law 
of corresponding states. 222. 
BINARY SYSTEM (On the phenomena appearing when in a) the plaitpointcurve meets 
the solubilitycurve. 177. 
BINARY SYSTEMS (Critical terminating points in three-phase lines with solid phases 
in) which present two liquid layers. 556. 
BISSELICK (J, W. VAN). Note on the innervation of the Trunkmyotome. 708. 
BLANKSMA (J. J.). On the intramolecular oxydation of a SH-group bound to benzol 
by an orthostanding NO,-group. 63. 
— On trinitroveratrol. 462. 
BLOK (s.). The connection between the primary triangulation of South-Sumatra and 
that of the West-Coast of Sumatra. 453. 
BLOOD (On the osmotic pressure of the) and urine of fishes. 537. 
BOESEKEN (J.). The reaction of FriepeL and Crarts. 470. 
BOLK (L.) presents a paper of A. J. P. van DEN BROEK: “On the genital cords of 
Phalangista vulpina’. 87. 
Botany. H. P. Kuyper: “On the development of the perithecium of Monascus purpu- 
reus Went and Monascus Barkeri Dang”. 83. 
— C. A. J. A. OupEmans: “On Leptostroma austriacum Oud., a hitherto unknown 
Leptostromacea living on the needles of Pinus austriaca, and on Hymenopsis 
Typhae (Fuck.) Sacc., a hitherto insufficiently described Tuberculariacea, occurring 
on the withered leafsheaths of Typha latifolia”. 206. 
— C. A. J. A. Oupemans: “On Sclerotiopsis pityophila (Corda) Oud., a Sphae- 
ropsidea occurring on the needles of Pinus silvestris”, 211. 
— Miss Tine Tammes: “On the influence of nutrition on the fluctuating varia- 
bility of some plants”. 398. 
— B. Syrkens: “On the nuclear division of Fritillaria imperialis L”. 412, 
— J, M. Janse: “An investigation on polarity and organ-formation with Caulerpa 
prolifera”. 420. 
BOULDERS (Contributions to the knowledge of the sedimentary) in the Netherlands. 
I. The Hondsrug in the province of Groningen. 2 Upper silurian boulders. 
1st Communication. Boulders of the age of the eastern Baltic Zone G. 500. 
2nd Communication, Boulders of the age of the eastern Baltic Zones Zand J, 692. 
BOUNDARY CURVES (On the different forms and transformations of the) in the case of 
partial miscibility of two liquids, 636. 
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