CONTENTS. 



PAGE 



Prof. H. Marshall Ward, Notes on some of the Rarer or more Interesting 



Fungi collected during the past year . 93 



Miss E. Dale, Motes on Artificial Cultures of Xylaria. (Communicated 



by Professor Marshall Ward) . . . . . . . .100 



_^Mr J. S. Budgett, The Habits and Development of some West African 



Fishes . . . . .102 



Mr H. C. Pocklington, On the Interference bands produced by a thin 



wedge _ . . . • 105 



Profs. G. D. Liveing and J. Dewar, On the most Volatile Gases of the 



Atmosphere . . ... . . . . . . 107 



Mr H. J. H. Fenton, and Mr H. O. Jones, On a method of comparing 



affinity -values of Acids -. . 108 



Mr H. J. H. Fenton, and Mr J. H. Ryffel, On Isomeric Esters of 



dioxynialeic Acid . . . . . . . . . .109 



Mr H. J. H. Fenton, and Miss Mildred Gostling, Note on the Constitu- 

 tion of Cellulose . . . . ... ... .110 



Mr H. 0. Jones, On some substituted ammonium compoimds of the type 



NR'E'Rz'X. (Communicated by Mr Fenton) • . -■ . . .111 

 Mr Henry Jackson, On Molecular Weight of Glycogen .-_ . . .115 

 Mr Henry Jackson, On the condensation of formaldehyde and the 



formation of fi-acrose . . . . . . . . .117 



Mr J. Patterson, On the effect of a magnetic field on the resistance of 



thin metallic films. (Communicated by Professor Thomson) . .118 

 Prof. J. J. Thomson, On the Theory of Electric Conduction through thin 



metallic films . . ... . . . . . . 120 



Dr J. W.' W. Stephens, The Prevention of Malaria . . . . 123 



Mr J. H. Grace, A Theorem on Vurves in a Linear Complex . . . 132 

 Mr Francis Darwin, Preliminary Note on the Function of the Root-tip in 



relation to Geotropism . . . . .. . . . . 134 



Mr E. H. Biffen, Note on some Factors in the Spore-formation of 



Acrospeira mirabilis (Berk, and Br.) . . . . . .136 



Mr J. Parkin, On a reserve Carbohydrate, which produces Mannose, from 



the bulb of Lilium . . . . . . . • . . 139 



Mr W. H. R. Rivers, The Colour Vision of the Eskimo . . . . 143 



Prof. A. Macalister, Variations in the Ossification of the Occipital Bone 150 

 Dr C. Taylor, Geometrical Notes on Theorems of Halley and Fregier . 153 

 Mr R. H. Yapp, Notes on new and interesting Plants from the Malay 



Peninsula . . . . . . . . . . . 159 



