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RECENT PAPERS IN THE ‘PHILOSOPHICAL TRANSACTIONS,’ 
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Series A.—Mathematical and Physical. 
A 531. Bakerian Lecture. —X-Rays and Crystal Structure. By W. H. Bragg, D.Sc., F.R.S., 
Cavendish Professor of Physics in the University of Leeds. Pp. 22. Price Is. Qd. 
A 532. Gaseous Combustion at High Pressures. By William Arthur Bone, D.Sc., Ph.D., F.R.S., 
formerly Livesey Professor of Coal Gas and Fuel Industries at the University of Leeds, now 
Professor of Chemical Technology at the Imperial College of Science and Technology, London, 
in collaboration with Hamilton Davies, B.Sc., H. H. Gray, B.Sc., Herbert H. Henstock, 
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A 533. Heats of Dilution of Concentrated Solutions. By Wm. S. Tucker, A.R.C.Sc., B.Sc. Pp. 33. 
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A 534. Thermal Properties of Carbonic Acid at Low Temperatures. (Second Paper.) By C. Frewen 
Jenkin, M.A., M.Inst.C.E., Professor of Engineering Science, Oxford, and D. R. Pye, M.A., 
Fellow of New College, Oxford. Pp. 29 ; 1 Plate. Price 2s. 
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 Royal College of Science, London.) By J. H. Brinkworth, A.R.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 537. Title, Contents, Index, &c., Yol. 215. Pp. 10. Price 6d. 
Series B. — Biological. 
B 328. The Excitatory Process in the Dog’s Heart. Part II.—The Ventricles. By Thomas Lewis and 
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B 329. Contributions to the Study of the Bionomics and Reproductive Processes of the Foraminifera. 
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B 330. A Description of the Skull and Skeleton of a Peculiarly Modified Rupicaprine Antelope 
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B 331. The Endemic Flora of Ceylon, with Reference to Geographical Distribution and Evolution in 
General. By J. C. Willis, M.A., Sc.D., Director of the Botanic Gardens, Rio de Janeiro. 
Pp. 36. Price 2s. 
B 332. Experiments on the Restoration of Paralysed Muscles by Means of Nerve Anastomosis. 
Part III.—Anastomosis of the Brachial Plexus, with a Consideration of the Distribution of 
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B 333. Analyses of Agricultural Yield. Part II.—The Sowing-Date Experiment with Egyptian Cotton, 
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B 334. Title, Contents, Index, &c., Vol. 206. Pp. 10. Price 6 d. 
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