Ia tr 
REPORT —1904. 
Page 
. Hexachlor-a-Picolin and its Derivatives. By W. J. Senu, M.A., F.R.S. 501 
The Change of Conductivity in Solutions during Chemical Reactions. By _ 
FAY, MISTIVAIN LAE iit ts canhebrapeeae tutes ses coed delunclesisels oghiesnue deeb be eam 501 
On Double Acetylides. By Major A. E. Epwarps and Professor W. R. 
HT ODEKUNSON MEDID My peace: ctcpsaesnlaed-<ievscaces aueitiees ses stadvenavarmeeee eeeeeeme 502 
. On some Reactions between Ammonium Salts and Metals. By Professor 
W. R. Hopexinson, Ph.D., and ARTHUR H. COOTE..............0.ceeeee sense 502 
. Report on the Study of Hydro-aromatic Substances (p. 60)........... Shed 503 
The Constitution of Nickel Carbonyl. By H. O. Jonus, M.D., D.Sc....... 503 
A Suggested Explanation of the Phenomena of Opalescence observed in 
the Neighbourhood of Critical States. By F. G. DoNNAN ...........000000- 504 
FRIDAY, AUGUST 19. 
. On Crystal Structure and its Relation to Chemical Constitution. By 
PTOLCSEOLREA UIC. GROLU:.cccteanssedseccteacesatccassodsacasscctaceeadetoet atte amen 505 
. On Dynamic Isomerism. By T. M. Lowry, D.Sc. (p. 198) ..........00cc000e 509 
The Constitution of Phthalein Salts. By Professor Ricoarp Mryer ... 509 
. “Studies in the Dynamic Isomerism of a- and B-Crotonic Acids. By 
eS MMORRELE and oH sik ELAN SON: 000s cscs cons ssi'gas cavecenesestreeGenentaanem 512 
. Mesoxalic Semialdehyde. By Hayry J. Horstman Fenton, F.R.S. ... 512 
. Note on the Influence of Radium Radiations on Atmospheric Oxidation 
in presence of Iron. By Henry J. Horstman Fenton, F.R.S. ......... 512 
. A Colour Reaction for Methylfurfural and its Derivatives. By H. J. H. 
Mangon, bon; and J.P. Mintieton, BoA. .....2:s0..+s sceupteueeinee 513 
. A Reaction for Keto-hexoses. By Hunry J. Horstman Frnton, F.R.S. 513 
. On the Energy of Water and Steam at High Temperatures. By Pro- 
fessor MD nETERTIOL! he! 2s... Gee ok eee ee 513 
- “On the Specific Heat of Gases at High ‘Temperatures. By Professor 
lg iL AbC0 pal dol cit. eae ih ce een MPA cS 514 
*The Oxidation of Carbohydrates by Hydrogen Peroxide in presence of 
Ferrous Sulphate. By R.S. Morretn and A. E, BELLARS .............-. 514 
- Report on Wave-length Tables of the Spectra of the Elements and Com- 
pounds (p. 66.) 
MONDAY, AUGUST 22, 
. Sur la photographie des spectres d’etincelle directe des minéraux sulfurés. 
Par le Comte A. pm GRaMonT, D. és Se.Ph. o.oo... .cccccsccsescscoccoeceeeees 514 
. Quelques observations sur le groupement des raies du spectre du silicium 
d’apres l’effet de la self-induction, et sur leur présence dans les spectres 
stellaires. Par le Comte A. pp Gramont, D. és Se.Ph. voecceceececeeeees ss. 515 
*Changes produced by the B-rays. By Sir Wirtram Ramsay, K.C.B., 
RO aE eee ei cos cxu ons ig mewcuwsadase cstet Le 517 
. The Stereochemistry of Nitrogen. By H. O. Jonns, M.A., D.Sc. {p. 169) 517 
. On the Pentavalent Nitrogen Atom, By Professor Osstaw ASCHAN ...... 517 
. The Asymmetric Nitrogen Atom. By Professor E. WEDEKIND ............ 518 
. On the Products obtained by the Action of Tertiary Bases on some Acid 
Chlorides. By Professor E. WEDEKIND 
