XIV REPORT—1899. 
Page 
or ey ae or Form of Resistance Balance. By Professor J. A. FLemine, 
6. 4 ae of Making a Half-shadow Field in a Polarimeter by two 
inclined Glass Plates. By J. H. Pornrine, Sc.D., F.B.S. ..... B vscvineeaes . 662 
ant 
Section B.—CHEMISTRY. 
THURSDAY, SEPTEMBER 14. 
Address by Horacz T. Brown, LL.D., F.R.S., President of the Section ... 664 
1. *The Solidification of Hydrogen. By Professor J. Dewar, F.RS. ...... 683 
2, Report on a New Series of Waye-length Tables of the Spectra of the 
Milarnenpa rece ns we eee tet cust casertinen: Ooecavcccasaasyasepededbepnehenke ee dtppecumane 685 
3. Interim Report on the Continuation of the Bibliography of Spectro- 
SCOPY ssvisececccrieovsnvsossenenccccranensesseceesececenseneseccuestsepsnecepenyeness vere 688 
FRIDAY, SEPTEMBER 15. 
1. Report on the Relation between the Absorption Spectra and Chemical 
Constitution ol Orcvanic Bodias, (..0..0--sscovsc-se-s-evenesssnevconeeaneszosgan peng 683 
2. Report on Isomeric Napthalene Derivatives ....... .-ssssesseceeseeeeneeseneeee 683 
3, A Discussion on the Laws of Substitution, especially in Benzenoid Com- 
pounds, Opened by Professor H. E. ARMSTRONG, FVR.S. .....:seeeee ceeee 683 
4, The Relative Orienting Effect of Chlorine and Bromine. By Professor 
ENR Ye A BMSTRONG wHUR Dacre sscvsecin~ es sce aces ou ccevesesay saveweetSecmaeed ees 687 
5. Isomorphism in Benzenesulphonic Derivatives. By Professor Hunry E. 
ENRMGTRONG HU IRAO.. acdcsstacstcuansesstimese ss aemnasbmeneain ns sive big Seg sue sceane ns 687 
6. Oxidation in the Presence of Iron. By Henry J. Horstman Fenton, 
IMA MB WIRES hot oRar scabs .tutcsenaosacaseh daestereoaaoacen- seed thst sa atts setae 688 
7. Condensation of Glycollic Aldehyde. By Henry J. Horstman Fenton, 
IMPACT, HRS, and) EaNRY JACKSON, E:t\uy E550: o+e.cneccecsesrcecsensetaseaee 689 
8. Some New Silicon Compounds. By Professor J. Emmrson Reynonps, 
HENS irate wrote tear teeecttesta ahd ives n ap ewodeneebeehcsr can seeaeat thc ceeReee Enea .. 690 
9. Report on recording the Results of the Chemical and Bacterial Examina- 
TODVOL NVA LELEANO NSE WALC ocscacescasercetcecsserancencbasosesnmiceseee ees eaneeeee 691 
10. Intermittent Bacterial Treatment of Raw Sewage in Coke-beds. By 
Professor SE RANK CLOWBSs DNSC. 5) acdevurpce soso ke sepeauas cubes -Weaos coset waeemne 691 
Tl. *On the Place of Nitrates in the Biolysis of Sewage. By W. Scorr- 
OR CRIBID sec oncpe cee eanrsdornacsconcessrancbAsseeikedl oaldnatacaseinaieate wads toqueleee 
SATURDAY, SEPTEMBER 16. 
Joint Meeting with Section K, 
1, *The Excretory Products of Plants, By Professor Hanriot ......... vensay 692 
2. Discussion on Symbiotic Fermentation : 
Symbiosis. By Professor MarsHatt Warp, F.R.S.. ..... sede ohde dase 692 
_ Note sur les Fermentations Symbiotiques Industrielles, Par Monsieur 
BO MOG CURE A” MCATAUUTE 0c .055;cscrees5acinieessnesrsoseesecs cot ener . 697 
Symbiotic Fermentation: its Chemical Aspects. By Professor H. E, 
ARMSTRONG, E.RB.S, POeOobenawoereerbenioe FOOOOOOE OOOH Ob dereendodetis chinetbores 699 
