The mystery of life', by F.G. Donnan. An evening discourse delivered at the Glasgow meeting of the British Association for the Advancement of Science, A British Association reprint

Archibald Clow, Department of Chemistry, University of Aberdeen, to Sir Robert Robertson, with details of his teaching experience.

The rotproofing of sandbags', by E.F. Armstrong. A statement based on the work of a committee of the research and experiments department of the Ministry of Home Security. Reprinted from Chemistry and Industry, vol. LX, no. 37.

Reprints.

Stabilisation and stability tests of cellulose nitrates', by E. Berl, G. Rueff and Ch. Carpenter. Reprinted from the Analytical Edition, Industrial and Engineering chemistry, vol. 10.

Some recent developments of the X-ray study of proteins and related structures', by W.T. Astbury and Florence O. Bell. Reprinted from Cold Spring Harbour Symposia on Quantative Biology, vol. VI

The development of views concerning the nature of chemical forces', by Kasamir Fajans. An introductory public lecture as non-resident lecturer in chemistry at Cornell University. Reprinted from Science, vol. LXXII, no. 1857

The proteins of electrical tissue', by Kenneth Bailey, from the Biological Journal, Vol. XXXIII, no. 2

A method for the determination of small quantities of boron in plant material', by K.L. Robinson. Reprinted from the Analyst, vol. 64, no. 758.

The rise and spread of A and B blood groups from the mutationists point of view', by R.R. Gates. Sonderabdruck aus Zeitschrift für Rassenkunde, Band IX, Heft 1.

Rewards and fairies', by J.C. Irvine. An oration delivered by the president of the society to the Lancastrian Frankland Society.

Logical theory of the imaginary', by G.J. Stokes. An off print from MIND: a quarterly review of psychology and philosophy, vol. IX, N.S. no. 35.

A new coriolis perturbation in the methane spectrum; III. Intensities and optical spectrum', by W.H.J. Childs and H.A. Jahn. Reprinted from the Proceedings of the Royal Society of London. Series A, no. 939, vol. 169

What can the modern chemist learn from the old alchemy?', by Paul Walden. Introductory public lecture as non-resident lecturer in chemistry at Cornell University. Reprinted from Science, vol. LXVI, no. 1714

Discussion on quantitative spectroscopy and its analytical applications', by J.J. Fox, F. Twyman, S. Judd Lewis and D.M. Smith. Reprinted from the Analyst, vol. 60, no. 706.

Economy in the use of ferro alloys', by W.H. Hatfield. A paper given to the British Association for the Advancement of Science at a meeting held in London.

Synthesis of long-chain ketones', by J.W.H. Oldham and A.R. Ubbelohde. Reprinted from the Journal of the Chemical Society.

The crystal structure of cyanuric triazide', by I.E. Knaggs. Reprinted from Proceedings of the Royal Society of London, Series A. no. 871, vol. 150.

The dissipation of natural resources', by F.H.V. Fielder. A verbatim report of an address delivered to the New Zealand section of an Institution, possibly of chemists.

Die genaue Thermodynamik der Membrangleichgewichte - II', by F.G. Donnan. Reprinted from Zeitschrift fur physikalische Chemie 168