XU CONTENTS. 



TRANSACTIONS OF THE SECTIONS. 



l^An asterisk * indicates tliat the title only is given. The mark f indieates the same, 

 hut with a reference to the Journal or NcKSj)a])ev in which it is j)iiblished in extenso.] 



Section A.— MATHEMATICAL AND PHYSICAL SCIENCE. 



THURSDAY, SEPTEMBER 3. Page 



Addi-ess by W. N. Shaw, Sc.D., LL.D., F.R.S., President of the Section . . 579 



1. Discussion on the Isothermal Layer of the Atmosphere 591 



(i) TheodoHte Observations of Balloons penetrating the Isothermal 



Layer. By C. J. P. Cave 593 



(ii) The Warm Stratum in the Atmosphere at Heights exceeding Eight 



Miles in the United States. By Professor A. Lawrence Rotch 594 



2. Report on the Measurement of the Geodetic Arc in Africa (p. 56) 594 



3. Seventh Report on the Investigation of the Upper Atmosphere by 



means of Kites (p. 59) 594 



4. Report on the Magnetic Observations at Falmouth Observatory 



(p. 55) 694 



5. Report of the Committee on Electrical Standards (p. 31) 594 



6. Report on Meteorological Observations on Ben Nevis (p. 58) 594 



FRIDAY, SEPTEMBER 4. 

 * Joint Discussion with Sections B and G on Gaseous Explosions 595 



Department op Mathematics. 



L Report on Bessel Functions (p. 58) 595 



2. The AsjTiiptotic Expansions of Bessel Functions. By J. W. NicnoLSOW, 



D.Sc, B.A 695 



3. On Sir W. R. Hamilton's Fluctuating Functions. By E. W. HobsoN, 



Sc.D., F.R.S 597 



4. On the Law of Equipartition of Energy between Correlated Variables. 



By S. H. BuEBURY, F.R.S 698 



5. The Complementary Theorem. By Professor J. C. Fields 599 



6. *The Genesis of Elliptic Functions. By Robert Russell 601 



Department of General Physics. 



1. Do the Radio-active Gases (Emanations) belong to the Argon Series ? 



By Sir William Ramsay, K.C.B., F.R.S 601 



2. On the Number and Absorption of the ^ Particles emitted by Radium. 



By W. Makower 601 



3. *The Rate of Production of Helium from Radium. By Sir James 



Dewae, F.R.S 602 



