CONTENTS. 
PAGE 
Mr Joseph Barcroft, Apparatus for the Analysis of the Gases in 
Small Quantities of Blood (with Plate I.) 1 
Dr Sidney F. Harmer, On the Structure and Classification of the 
Cheilostomatous Polyzoa . . . . . .11 
Mr J. Stanley Gardiner, The Natives of the Maldives ... 18 
Mr J. Stanley Gardiner, The Atoll of Minikoi 22 
Mr J. H. Grace, Note on the Rational space curve of the fourth order . 27 
Mr I. H. Burkill, Trifolium pratense var. parviflorum ... 29 
Mr C. T. R. Wilson, On the Leakage of Electricity through dust-free air . 32 
Mr S. Skinner, Observations on the Minute Structure of the Surface Ice 
of Glaciers (with Plate II.) 33 
Mr J. Y. Buchanan, On a solar Calorimeter used in Egypt at the total 
solar Eclipse in 1882 .......... 37 
Mr T. J. I’ A. Bromwich, Theorems on Matrices and Bilinear Forms . 75 
Prof. J. J. Thomson, On the question as to whether or not there are any 
free charged ions produced during the combination of hydrogen and 
chlorine ; and on the effect produced on the rate of the combination by 
the presence of such ions 90 
