“Xiv 
REPORT—1896. 
Page 
.*Note on the Measurement of Electrical Resistance. By E. H. 
GRrrritHs, M.A., FLRS. .....ccccceeecesersseeeneecsececeenceeneesereneceneees PASS 
. Researches in Absolute Mercurial Thermometry. By §S. A. Sworn, 
M.A. (Oxon.), F.C.8., Assoc.R.C.S0.D. oc eeeeeeeeeeseeseceereeeenenneeeeenneeees 729 
WEDNESDAY, SEPTEMBER 23. 
DEPARTMENT I. 
. Measurement by means of the Spectroscope of the Velocity of Rotation 
of the Planets. By James H. KEELER, Sc.D. .........-....cscceceneceseereees 729 
. On the Photo-electric Sensitisation of Salts by Cathodic Rays. By Pro- 
fessor J. Exster and Professor H. GHITEL .........sccssssceeseesereetetecceeeees 731 
. *On certain Photographic Effects. By Professor P. pg Hen ............... 731 
. Some Experiments on Absorption and Fluorescence. By JoHN 
BURKE, BiAcscccctvaecsornscsnsvieessosnsensnanessosneenenganssvcnassgieagegemben tere 7351 
. On Homogeneous Structures and the Symmetrical Partitioning of them, 
with application to Crystals. By WILLIAM BARLOW ..........0.sseeeeeeees 731 
Department II, 
1. Report on the Sizes of Pages! of Periodicals) <.c-s<..<00----+sssseensseeeeeees (Ey 
9. +On Disturbance in Submarine Cables. By W. H. Preece, C.B.,F.R.S. 752 
3, *On Carbon Megohms for High Voltages. By W. M. Morpsy ............ 732 
4, *On an Instrument for measuring Magnetic Permeability. By W. M. 
WOR DMV ees. conc Ne ceetete sosns -cteame rete scene stn astreertecccass. cre ceteah eae 732 
5. A Direct-reading Wheatstone Bridge. By A. P. Trorrer, B.A. ......... 732 
6. The Division of an Alternating Current in Parallel Circuits with Mutual 
Induction. By FREDERICK BEDELL «.........c:006se05 veveesconepeseseebumnentye 735 
Section B.—CHEMISTRY. 
THURSDAY, SEPTEMBER (i. 
Address by Dr. Lupwie Monn, F.R.S., President of the Section.................. 734 
1. On Reflected Waves in the Explosion of Gases. By Professor H. B. 
Dixon, E. H. Srraneez, and E. GRAwAM ........ 13 sieclot ood vous ogee as 746 
2, The Action of Metals and their Salts on the Ordinary and Réntgen 
Rays: a Contrast. By Dr. J. H. Guapsrone and W. H1pperr ......... 746 
. Limiting Explosive Proportions of Acetylene and Detection and Measure- 
ment of the Gas in the Air. By Professor Frank Crowss, D.Se. (Lond.) 746 
4. The Accurate Determination of Oxygen by Absorption with Alkaline 
Pyrogallol Solution. By Professor Frank Crowns, D.Sc. (Lond.) ...... TAT 
5. On the Amides of the Alkali Metals and some of their Derivatives. By 
AD W). Tismpenny, MiSe., Ph.D: 0. ccs.5cs.sseecscsocnede tes case 748 
6. Interim Report on the Bibliography of Spectroscopy..........+sc0esseeeeeeeees 748 
7. Report on the Action of Light on Dyed Colours............cessceseceseenecenees 748 
FRIDAY, SEPTEMBER 18. 
1. Report on the Carbohydrates of Barley Straw .............cccccssecuecenceeees 748 
. The Retardation of Chemical Reaction from Diminution of Space. By 
Professor OSCAR LUBBREUCH 22 ......0:1sccs.cccccuvevovsseccoocteetheet stone yaeenEe 748 
