TRANSACTIONS OF THE SECTIONS. XI 



TRANSACTIONS OF THE SECTIONS. 



l^An asterisk * indicates tliat the title only is given. Tlie marlt t indicates the same, 

 but mth a reference to the Journal or Newspaper in which it is published in extenso.] 



Section A.— MATHEMATICAL AND PHYSICAL SCIENCE. 



THURSDAY, AUGUST 2. 



Page 

 Address by Principal E. H. Griffiths, M.A., D.Sc, F.E.S., President of 



the Section 471 



1. Photographs of the Arc Spectrum of Iron under High Pressures, By 



W. G. DUFFIELI) 481 



2. ^Measurements of Osmotic Pressure. By the Earl of BERKBLEr, F.G.S.... 481 



FRIDAY, AUGUST 3. 

 Discussion on the Evolution of the Elements. Opened by F. Soddt (p. 121) 481 



1. •■•On the Notation and Use of Vectors. By Professor O. Henetci, F.R.S. 482 



2. The Notation and Use of Vectors. By Professor C. G. Knott, D.Sc, 



F.R.S.E 482 



MONDAY, AUGUST 6. 

 Department op Pure Mathematics. 



1. Expansions in Products of Oscillating Functions. By Professor A. 0. 



Dixon, F.R.S 483 



2. Anemoids. By Professor W. H. H. Hudson, M.A 483 



3. On Residues of Hyper-even Numbers. By Lieut.-Colonel Allan Cun- 



ningham, R.E 485 



4. The Different Kinds of Integrals of Partial Differential Equations. By 



Professor A. R. Forsyth, Sc.D,, F.R.S.., 486 



Department of Astronomy and Cosmical Physics. 



1 . Report on the Investigation of the Upper Atmosphere by means of Kites 



(p. 138) 490 



2. Report of the Seismological Committee (p. 92) 490 



3. ^'-The Irregular Motions of the Earth's Pole : a Preliminary Graphical 



Analysis of their Cause. By Major E. H. Hills, C.M.G., and Professor 



J. Larmor, Sec.R.S... 490 



4. Note on the Effects of Tremors on Astronomical Observation. By Pro- 



fessor H. H. Turner, D.Sc, F.R.S 490 



