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Series A .— Mathematical and Physical. 
Electric Furnace Reactions under High Gaseous Pressures. By R. S. Hutton and J. E. Petavel. 
Pp. 42; 1 Plate. Price 2s. Gd. 
A New Current Weigher and a Determination of the Electromotive Force of the Normal Weston 
Cadmium Cell. By W. E. Ayrton, F.R.S., and T. Mather, F.R.S., Central Technical 
College, London, and F. E. Smith, A.R.C.Sc. (National Physical Laboratory, Tedclington). 
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The Silver Voltameter. Part I.—By F. E. Smith, A.R.C.Sc., and T. Mather, F.R.S. Part II. 
—By F. E. Smith, A.R.C.Sc., and T. M. Lowry, D.Sc. Ppr55; 1 Plate. Price 3s. 
Title, Contents, Index, &c., Vol. 207. Pp. 10. Price Gd. 
Further Consideration of the Stability of the Pear-shaped Figure of a Rotating Mass of Liquid. 
By Sir G. H. Daravin, K.C.B., F.R.S., Plumian Professor of Astronomy, and Fellow of Trinity 
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The Thermomagnetic Analysis of Meteoric and Artificial Nickel-iron Alloys. By S. W. J. Smith, 
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The Effect of Pressure upon Arc Spectra.—No. 1. Iron. By W. Geoffrey Duffield, B.Sc. 
(Adelaide), B.A. (Cantab.), Honorary Research Fellow in Physics at the Manchester University, 
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The Diurnal Variation of Terrestrial Magnetism. By Arthur Schuster, F.R.S. Pp. 42; 
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Magnetic Declination at Kew Observatory 1890 to 1900. By C. Chree, Sc.D., LL.D., F.R.S. 
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The Effect of Hydrogen on the Discharge of Negative Electricity from Hot Platinum. By 
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Series B. — Biological. 
Studies on the Development of Larval Nephridia. Part II.—Polygordius. By Cressayell 
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Cases of Colour-blindness, No. VI. to No. XVIII., together Avith Eleven Selected Examples of 
Normal Colour Sensations. By George J. Burch, M.A., D.Sc. Oxon, F.R.S., Lecturer in 
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The Role of the Various Elements in the Development and Regeneration of Bone. By Sir 
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On the Cranial and Facial Characters of the Neandertal Race. By W. J. Sollas, Sc.D., LL.D., 
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The Ascent of Water in Trees. By A. J. Eavart, D.Sc., Ph.D., F.L.S., Government Botanist and 
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On the Skull, Mandible, and Milk Dentition of Palseomastodon, with some Remarks on the Tooth 
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Miadesrnia Memlranacea, Bertrand; a New Palaeozoic Lycopod Avith a Seed-like Structure. By 
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On the Distribution of the Different Arteries supplying the Human Brain. By Charles E. 
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