304 TRANSACTIONS OF SECTION A. 
5. The Pressure wpon the Poles of a Carbon Arc. By Professor 
W. G. DUvrrieLp. 
6. The Attractions of Ellipsoidal Shells. 
By Professor A. Gray, I’.R.S. 
MONDAY, AUGUST 24. 
The following Papers and Reports were read :— 
1. Discontinuities in Meteorological Phenomena. By Professor 
H. H. Turner, F.R.S. 
2. The Oblate Shape of the Stellar System. By Professor A. §. 
Eppineton, I'.R.S. 
3. An Absolute Determination of the Thermal Conductivity of Air. 
By BH. O. Herens and T. H. Lasy. 
4. The Nature of y Rays. By T. H. Lasy and W. Sruarr., 
5. Length and Electrical Resistance of Steel Tapes. By T. H. Lasy 
and G. EK. Apams. 
6. A Map of the Principal Harthquake Origins of the S.W. Pacific. 
By G. Hoasen. 
7. Report on the Investigation of the Upper Atmosphere.—See 
Reports, p. 69. 
8. Report on the International Tables of Physical and Chemical 
Constants. 
9. Report on the Calculation of Mathematical Tables.—See Reports, 
p. 7o. 
10. Report on the Disposal of Copies of the Binary Canon.—See 
Reports, p. 102. 
11. Interim Report on Radiotelegraphic Investigations.—See Reports, 
p. 70. 
