VI 
Contents. 
PAGE 
On a method of comparing affinity -values of Acids. By H. J. H. Fenton 
and H. 0. Jones 108 
On Isomeric Esters of Dioxymaleic Acid. By H. J. H. Fenton and J. H. 
Ryffel 109 
Note on the Constitution of Cellulose. By H. J. H. Fenton and Miss 
Mildred Gostling 110 
On some substituted ammonium compounds of the type NR' R" Rf" X. 
By H. 0. Jones. (Communicated by Mr Fenton) . . . .111 
On Molecular Weight of Glycogen. By H. Jackson . . . .115 
On the condensation of formaldehyde and the formation of (3-acrose. By 
H. Jackson 117 
On the effect of a magnetic field on the resistance of thin metallic films. 
By J. Patterson. (Communicated by Professor Thomson) . . 118 
On the Theory of Electric Conduction through thin metallic films. By 
Prof. J. J. Thomson 120 
The Prevention of Malaria. By Dr J. W. W. Stephens . . .123 
A Theorem on Curves in a Linear Complex. By J. H. Grace . .132 
Preliminary Note on the Function of the Root-tip in relation to Geo- 
tropism. By Francis Darwin 134 
Note on some Factors in the Spore-formation of Acrospeira mirabilis 
(Berk, and Br.). By R. H. Biffen 136 
On a reserve Carbohydrate , which produces Mannose , from the bulb of 
Lilium. By J. Parkin 139 
The Colour Vision of the Eskimo. By W. H. R. Rivers . . .143 
Variations in the Ossification of the Occipital Bone. By Prof. A. 
Macalister 150 
Geometrical Notes on Theorems of Halley and Fregier. By Dr C. Taylor 153 
Notes on new and interesting Plants from the Malay Peninsula. By R. 
H. Yapp 159 
“ Jgnoration of coordinates ” as a problem in linear substitutions. By 
T. J. I’ A. Bromwich . 163 
On an attempt to detect radiation from the surface of wires carrying 
alternating currents of high frequency. By 0. W. Richardson . 168 
Note on the Magnetic Deflection of Cathode Rays. By H. A. Wilson . 179 
On a Diminution of the Potential Difference between the Electrodes of a 
Vacuum Tube , produced by a Magnetic Field at the Cathode. By 
J. E. Almy 183 
Some Experiments upon Beams under endlong compression. By H. E. 
WlMPERIS 191 
The Oscillations of a Fluid in an Annular Trough. By B. Cookson . 200 
On a new species of Bothriocephalus (With Plate III.). By A. E. Shipley 209 
On the Rate of Growth of some Corals from Fiji. By J. Stanley 
Gardiner .... 214 
On the breeding habits of Xenopus laevis Daud. By E. J. Bles . . 220 
