Absorption spectra of four aldehydes in the near infra-red', by L. Kellner. Reprinted from Proceedings of the Royal Society of London. Series A, no. 890, vol. 157

The spectrum of deuteromethane in the photographic infra-red; 1. Preparation of the gas and measurement of a single band at 9021 cm-1', by W.H.J. Childs and H.A. Jahn. Reprinted from the Proceedings of the Royal Society of London, Series A, no. 938, v...

The place of "planning" in a democratic government', by Daniel Hall. Reprinted from the 19th Century and After, vol. CXXII.

A milestone', by William Cullen. A presidential address delivered at an annual corporate meeting of the Institution of Chemical Engineers, 18 February 1938. Reprinted from Transactions of the Institution of Chemical Engineers, vol. 16, 1938.

The iodoxy group and its relations', by I. Masson, E. Race, F.E. Pounder. Reprinted from the Journal of the Chemical Society

The executive and the technologist', by E.C. Williams. Reprinted from News Edition, Industrial and Engineering Chemistry, vol. 18

Luminescence, absorption and scattering of light in diamonds; part I. Fluorescence', by P.G.N. Nayar. Reprinted from the Proceedings of the Indian Academy of Sciences, vol. XIII.

Plant genetics and human welfare', by R.R. Gates. Abridged from a Chadwick Lecture delivered in the Chelsea Physic Garden, 15 June. Reprinted from the Lancet.

Reprints.

Laws and order in physics', by Reginald O. Kapp. Reprinted from University College, London, Engineering Society Journal.

Fine structure in the far infra-red spectra NH3', by H.M. Foley and H.M. Randall. Reprinted from the Physical Review, vol. 59, no. 2.

The official organ of the Glasgow University Alchemist Club. The Alchemist, vol. 17. Special number on the retirement of Thomas Stewart Patterson.

Correspondence with Dr William Howieson.

Biochemistry and the manufacture of fine chemicals', by F.H. Carr. The jubilee memorial lecture, reprinted from the Journal of the Society of Chemical Industry, 9 February 1934, vol. LIII, no. 6

The dimensions of the phosphine and arsine molecules and the possibility of optically active derivatives', by G.B.B.M. Sutherland, E. Lee and Cheng-Kai Wu. Reprinted from the Transactions of the Faraday Society, no. 224, vol. XXXV, part 12

The energy hump in chemistry', by W.D. Bancroft and James E. Nagoffin. Reprinted from the Journal of the Franklin Institute, vol. 224, no. 3 and 4.

Temperatur-und Koppelung seinflüsse auf die Instit228t ultraroter Oberschwingungen', by F. Matossi. An extract from Physikalische Zeitshrift, 40, Heft 9.

What price progress?'. By Hugh Farrell. A publication of the Chemical Foundation Inc., New York City

Sir Robert Robertson to an unspecified person. Testifies on behalf of Mr J.R. Harper.

Mr William MacNab, C.B.E.,' by Robert Robertson. An obituary reprinted by permission from Nature.