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A 535. On the Specific Heat of Steam at Atmospheric Pressure between 104° C. and 115° C. 
(Experiments by the Continuous Flow Method of Calorimetry Performed in the Physical 
Laboratory of the Eoyal College of Science, London.) By J. H. Brinkworth, A.B.C.S., 
B.Sc., Lecturer in Physics at St. Thomas’s Hospital Medical School. With a Preface by 
Prof. H. L. Callendar, M.A., LL.D., F.R.S., Professor of Physics at the Imperial College of 
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A 536. Some Applications of Conformal Transformation to Problems in Hydrodynamics. By 
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A 538. The Monoclinic Double Sulphates Containing Ammonium. Completion of the Double Sulphate 
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Pp. 62. Price 3s. 
A 539. The Electrical Conductivity and Luminosity of Flames Containing Salt Vapours. By H. A. 
Wilson, F.R.S., Professor of Physics, 'Rice Institute, Houston, Texas, U.S.A. Pp. 28. 
Price Is. 6 cl. 
A 540. The Threshold of Vision for Different Coloured Lights. By Sir W. de W. Abney, K.C.B., 
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A 541. On Certain Linear Differential Equations of Astronomical Interest. By Prof. H. F. Baker, 
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A 542. Discussion of Kew Magnetic Data, especially the Diurnal Inequalities of Horizontal Force and 
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Series B. — Biological. 
B 336. The Development of the Thymus, Epithelial Bodies, and Thyroid in the Marsupialia. 
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Pp. 26; 1 Plate. Price 2s. 
B 337. On Williamsoniella, a New Type of Bennettitalean Flower. By H. Hamshaw Thomas, M.A., 
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B 338. Effects of Functional Activity in Striated Muscle and the Submaxilliary Gland. By Joseph 
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B 339. The Measurement of the Rate of Heat-Loss at Body Temperature by Convection, Radiation, and 
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B 340. The Spread of the Excitatory Process in the Vertebrate Heart. Parts I.-V. By Thomas Lewis. 
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B 341. The Monotreme Skull: A Contribution to Mammalian Morphogenesis. By D. M. S. Watson, 
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B 342. Observations on Coprozoic Flagellates : together with a Suggestion as to the Significance of the 
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