10. 
11. 
CONTENTS. XV 
. Sur les Manganates et les Permanganates. By Dr. A. Erarp ............ 523 
. On the Bearing of the Colour Phenomena presented by Radium Com- 
pounds. By Witt1am AckRoyD 
*Pseudomorphosis in Organic Persulphates. By Professor R. WoLFrEn- 
SEIN I trcstceaiapsevana sciytaswenasecttoniseessmsasescdereeree scensceasencarsetedaneetns 525 
A New Theory of the Periodic Law. By Professor G. J. Sroxes, M.A. 525 
TUESDAY, AUGUST 23. 
1. On the Velocity of Osmosis and on Solubility: a Contribution to the 
Theory of Narcosis. By Professor I. TRAUBE ...........cccececeseeceueees a. 525 
2, The Action of Organic Bases on Olefinic Ketonic Compounds. By Dr. S. 
RpUeeMe SNA OME LOE. (VV ATSON **ccatcteeasaccavsosvccesenedcanet conenetoc: tubeenaes 527 
3. The Union of Hydrogen and Oxygen in contact with a Hot Surface. By 
Witi1am A. Bonk and Ricard V. WHEELER.............ccccseceeceeceneceese 527 
4, The Decomposition and Synthesis of Ammonia. By Epn@ar Purtip 
LOO IMTS a A te ole Ba et A heey ae Mi atts die AL SR At pee ch lae 528 
5. On Active Chlorine. By C. H. Bureuss and D. L. Cuapman ............ 529 
6. *Exhibition of Effects produced by precipitating Silver Chromate in 
SERED Sy ETORIOP D.C RAUBE: .a0.0+s<snceascervascssnandgcntprrtondcce tea: 530 
7. *Exhibition of Photographs of Sections of an Australian Siderite. By 
Professor A. LIVERSIDGEH, F.R.S............cccccccececeecececuscscecseceesceseseece 5380 
8. *Ueber Isocystein (Isothioserin). By Professor S. GABRIEL ............... 530 
9. Saponarin, a Glucoside coloured Blue by Iodine. By G. BarGer ......... 530 
10. *The Vapour Density of Hydrazine Hydrate. By Dr. A. Scorz, F.R.S. 531 
11. *Phe Combining Volumes of Carbon Monoxide and Oxygen. By Dr. A. 
Brey Ee os A ea a ak cies cas CEcYs ches vat ana vnc eweee ns iasealicesk 531 
12. *The Action of Heat on Oxalates. By Dr. A. Scort, F.R.S. ............... 531 
13. *Some Alkyl Derivatives of Sulphur, Selenium, and Tellurion. By Dr. 
PROC OTT BukyoOra-csensens poe onceiledctedaunoaseceser Soncesiadacesedaaderete ia tlen i. 531 
. *On the Presence of Arsenic in the Body and its Secretion by the Kidneys. 
HE VeRVey UHOMASON HRS Bite cat Sees aica scat crdtaces bec Suse UeL EIEN. ok 531 
. *On New Low-temperature Phenomena and their Scientific Applications, 
By Professor Sir JamES DEwaR, F.R.S.............ccececsecscecseseaccccecscecs 531 
Section C.—GEOLOGY. 
THURSDAY, AUGUST 18. 
Address by Ausprpy Strawn, M.A., F.R.S., President of the Section......... 532 
1. The Geology of Cambridgeshire. By J. EH. Marr, Sc.D., F.R.S............. 541 
2. The Great Eastern Glacier. By F. W. HARMER.............0. ccecececeeeeees D42 
3. On a Great Depth of Drift in the Valley of the Stour. By W. Wurraxer, 
Et SS seer ens oes ance sesaanansdesa aces cuceidsaedenmeicar telat omiac tack ape lnieatickosediec cs 543 
4, Well-sections in Cambridgeshire. By W. Wurraxker, F.R.S. (p. 266)... 544 
. Note on a Small Anticline in the Great Oolite Series at Clapham, North 
of Bedford. By Horacn B. WoopwaRp, F.R.S. 2... cece ceceeceeseceneees 544 
