CONTENTS, 
FRIDAY, SEPTEMBER 1. 
Page 
. A Restatement of the Second Law of Thermodynamics and its Bearing 
upon our Views of Heat and Radiation. By M. BuiepeEn, M.D. ......... 
244 
2, On the Kinetic and Statistical Equilibrium of Ether in Ponderable Matter 
at any Temperature. By Lord Krtvin, G.C.V.O., F.R.S...... ce ceeeee ees 346 
3. On Temperatures of Thermometers under Black Cloth and under White 
Gioth es bye Dr CHARLES OCHRE, HRS acc..0ccunececceiceacensegncnsslapeueneges 347 
4, *Differential Invariants of a Plane and of a Curve on a Plane. By Pro- 
HERBORD AT ics ORS WN AE AIRE tac Sta ce cuane de datsee uh bev oslcnns eacdoan eeiseaeceeueilee 35 
5. Chess Magic Squares. By M. Casumorp, M.D.S.......ccccccceeeeeeeee nee e ees 350 
6. Computation of 7. By M. CASHMORB, M.P.S. ......ccecceceecescnecnecneen eens 350 
7. Report of the Committee on Electrical Standards (p. 95) ............ce cece eee 350 
Section B.—-CHEMISTRY. 
Address by Grorce T. Brixby, President of the Section............0:cccceee eee Bol 
ie 
2. *Recent Researches on the Assimilatory Processes of Plants. By Horace 
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Carre Town. 
WEDNESDAY, AUGUST 16. 
Recent Developments in Agricultural Science. By A. D. Hatt, M.A. 
LES 2 SG BOP NES AO Ami oes Tanne pane aN aa 
PPS O MU Nilay DSP LER Sap mars gelcradedechiee se dsow ted acavs's sajete a waniacainbies\seltewsupins 
The Role of Enzymes in Plant Economy. By Dr. E, Franxrianp 
ONUESAEN TRON GMI tse kata cial salu is areie ge meee Slsiclele cis Nig visoeie ala salons Sears obi Soaienled wae demeais wen 
THURSDAY, AUGUST 17. 
The Propagation of Explosions in Gases. By Professor H. B. Dixon, 
F.R.S 
eee eee eee eee eee eee ee eee eee eee eee errr e reer eer rr er eee cere rere cee ee ee 
The Influence of Phase Changes on the Tenacity of Ductile Metals at the 
Ordinary Temperature and at the Boiling-point of Liquid Air. By 
Sal PeIERY ANG EIN, ISRERBYs, 15: OCs. scueecteccsscxsreocseceseat aces oct eeasas 
On the Atomic Weight of Chlorine. By Professor H. B. Drxon, F.RS. 
. The Viscosity of Liquid Mixtures at the Temperature of their Boiling- 
Beene OY Vr, ALMXANUEE BUNDEAY *.oic0.ccnlesnccecsttacwashersue scence: ts 
. Report of the Committee on Wave-length Tables of the Spectra of the 
Blcments nnd: Compounds (ps LOD) sscsssccctecessrsccescssedcdntensesresececcecs 3 
. Report of the Committee on the Study of Hydro-Aromatic Substances 
A RRIRIED) icra cariew csoledecaceeuan. spent a deoatcecds tat JANE ceanaine dees enca bode dtm denanennte 3 
FRIDAY, AUGUST 18. 
A South African Mineral Spring. By Professor P. D, Haun, Ph.D., M.A: 
. The Need for Organised Chemical Research in Cape Colony. By C. F. 
MUSED A tas case a ea canto toes cats ees te Rae ek a docninascisasaeccessladeees 
. On an Important Characteristic cf Cape Wines. By Heryricn Trerz, 
Ph.D., M.A. . 
eee eee eee eee e errr Creer ree rere rere ee eee cere eee eee eee ee eee eee ee eee ey 
. Report of the Committee on the Transformation of Aromatic Nitroamines 
and Allied Substances, and its Relation to Substitution in Benzene 
Derivatives: (p.' 108) iiiiccasicsdiesvsccssslvsvvvseete Sea hes Sateen reth Gives 
364 
368 
369 
