x . CONTENTS. 
Page 
12. On some Results of Photographing the Solar Corona without an Kclipse. 
By WALLIAM Piveduvs, D200, dla.D., FURS, «ccssecctesseewees nade coeds 427 
13, On the Internal Constitution of the Sun. By Professor ARTHUR 
PGH VOTH AMG. ecbadyak tl nete. ocd bsiesatdade auto ee eaten een ane ete eae 427 
TUESDAY, SEPTEMBER 25. 
1, Note sur les Résultats de ses Observations de V Eclipse totale du 6 Mai 
1883, 4 l'Ile Caroline (long. 152° 20’ ouest, Paris, lat. 10° sud), Océan 
Pactique, By Dr,).J., PANSSEN a. tessi ans 1 sina boeasbeeeeatsicnccce<seeas ois one bences 429 
2. On the Involution of Two Matrices of the Second Order. By Professor 
Jape) cOVLV ESTER, 1. Ei 9:3.\0- «cbackh cbhioad doy paeungeusheovueentrese ts Sor eee 450 
3. On a Modification of Bunsen’s Ice Calorimeter. By Professor BaLrour 
SUD PUSH ME ol eit eae pan deh sen Os ee MSR Per! tl Rem apenas |S ee sbebweaeerte 432 
4, On some Measurements of Glacier-Motion in 1883. By Professor ARTHUR 
ae SOHUSTRR, PHD Bias) 2088. ole oF Ca A ae 432 
5. Note on some recent Astronomical Experiments at High Elevations in the 
Andes, (By RAtpE COPRLAND, (PID)... 3: 040)cccaiaartedespacedaseeemeteneeeets 436 
6, On some points in Lemstrém’s recent Auroral Experiments in Lapland. 
HER lg ANA) | OAPRON, 26. tay aaastsictuade salpcicstevads sian satepedubtes oan pte ceases tie intone 439 
7. On some Indefinite Integrals, that contain the Elliptic Integrals E and F. 
By Dr D. rans Dw ELA css ably, cushy Hehe aes seecetecneaeee ee 440 
8. On the probable Explanation of the Effect of Oil in Calming Waves in a 
Storm, By: BPC OLVER WELL g. oss sds .098 dadniecddedes deobaetecdecuacteblae ook 443. 
9, On the Pressure of the Vapour of Mercury at the Ordinary Temperature. 
iby -Eroftessor MOLROn, HRS,’ .cclececsccceaucecuscees coctoucces cateoeee pene we 443 
10. On the Imperfection of the Galvanometer as a Test of the Evanescence of 
a Transient Current. By Professor Lorp RAYLEIGH, FVR.S. ..........0000+ 444 
11. On the Adjustment of Numerical Results derived from Observation. By 
Deas SPRAGUM wo. 0,..0obcbosuci ile Gureasere tee aes ctabods than ce tas shat ae ee 446 
12. On the Action of Currents of Air between Plates. By Puimip Bra- 
EUAN SENG Sogn nda cetsn 09 a> <p ss oadna debian paanvenids truce gun des dasasee ot een 447 
13, A new Reflector for Incandescent Electric Lamps. By Professor FRANK 
(OLAS) SD SG, a tia dvon tp uncabotvaa dhe cathe den obo saalins Spee tas asscinaans ea Seeeee ane 447 
Section B.—CHEMICAL SCIENCE. 
THURSDAY, SEPTEMBER 20, 
Address by J. H. Grapstonn, Ph.D., F.R.S., F.C.S., President of the Section 448 
1, On Sun-spots and the Chemical Elements in the Sun. By Professors 
DEWAR DG LIVEING ib 4..5555- doa. cedeciclaeretsencsevonece nds bscicobs aurores sabacesaee 455 
2. Colouring Matters ofthe Diazo-Group. By Rararn Mexpora,F.1.C.,F.C.S, 455 
3. Suggestions for computing the Speed of Chemical Reaction. By Professor 
ROBERT BADER fiscciccypssh sacs «plushies voles > duslecas «kee case S:toscadscor HEAR 456. 
4, Ortho-Amido-Cinnamic Acid. By T. M. Moraan, B.Sc.........ccccceeeeeeee 458 
5. On the preparation of Cinnamic Acid,. By T. M. Morgan, B.Se. .......... 458 
6. On Manganese Bronze. By P. M., PARSONS......ccsssecelecsececescesceesceececes 459 
