CONTENTS 



SECTION A.-MATIIEMATIGAL, ASTRONOMICAL, AND 

 I'llYSrCAL SCIENCE 



A Survey of the Spiral Nebula Messier 33, by means of 

 photographs taken by Dr. Isaac Eoberts, F.E.S. 

 (Plates I. and 11.) , ...... 3 



Ross (Ronald), D.Sc, F.R.S., C.B., M.R.LA. :— 



Verb-Functions, with notes on the solution of equations 



Wilson (William Edward), F.R.S., M.R.I.A. :— 



Peculiarities of Barograph Curves characteristic of 



Dreyer (J. L. E.), Ph.D. 



PAGE 



by operative division. 



31 



approaching storms, 



1 



