IV 
CONTENTS. 
VI. The Theory of Circulants from 1880 to 1900. By Sir 
Thomas Mum, LL.D., F.R.S., . . . - . 
( Issued separately October 14, 1916.) 
151 
VII. The Dynamics of Cyclones and Anticyclones. Part III. By 
John Aitken, LL.D., F.R.S., 
(. Issued separately September 30, 1916.) 
174 
VIII. Clinical Methods of Estimation of Sugar in the Blood. By 
Dr Harry Rainy and Miss Christina M. Hawick, B.Sc., . 
(. Issued separately September 30, 1916.) 
186 
IX. Note on Captain Weir’s Azimuth Diagram and its anticipation 
of a Spherical Triangle Nomogram. By Herbert Bell, 
M.A., B.Sc. Communicated by The General Secretary, 
( Issued separately ,1916.) 
192 
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