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A 592. A Selective Hot-Wire Microphone. By W. S. Tucker, D.Sc., A.R.C.Sc., and EL T. Paris, 
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A 594. The Emission of Electrons under the Influence of Chemical Action. By 0. W. Richardson, 
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A 596. Eddy-Current Losses in Cylindrical Conductors, with Special Applications to the Alternating 
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A 597. The Influence of Satellites upon the Form of Saturn’s Ring. By G. R. Goldsbrough, D.Sc., 
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A 598. The Analysis of Sound.—Part I. The Experimental Analysis of Sound in Air and Water: Some 
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A 599. Lagrange’s Ballistic Problem. By A. E. H. Love, F.R.S., Sedleian Professor of Natural 
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B 377. The Blood Vascular System of the Tuatara, Sphenodon Pundatus. By Chas. H. O’Donoghue, 
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B 378. On the Structure and Affinities of Acmopyle Pancheri, Pilger. By Birbal Sahni, M.A., M.Sc., 
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B 379. On the Calcification of the Vertebral Centra in Sharks and Rays. By W. G. KiDEWOOD, D.Sc. 
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B 380. The Life-History and Cytology of Synchytrium Endobioticum (Schilb.), Perc., The Cause of 
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B 381. Title, Contents, Index, &c., Vol. 210. Pp. 10. Price Is. 
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B 382. On a Periodic Structure in many Insect Scales, and the Cause of their Iridescent Colours. By 
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B 383. The Asymmetry, Metamorphosis and Origin of Flat-Fishes. By H. M. Kyle. Pp. 55; 7 Plates. 
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