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1916. 
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A 542. Discussion of Kew Magnetic Data, especially the Diurnal Inequalities of Horizontal Force and 
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A 543. On the Law of Distribution of Molecular Velocities, and on the Theory of Viscosity and Thermal 
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A 544. The Newtonian Constant of Gravitation as Affected by Temperature. By P. E. Shaw, B.A., 
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A 545. The Combining Volumes of Hydrogen and Oxygen. By F. P. Burt, D.Sc., and E. C. Edgar, 
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A 546. Mathematical Contributions to the Theory of Evolution. XIX.—Second Supplement to a 
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A 547. On the Distribution of Intensity in Broadened Spectrum Lines. By J. VV. Nicholson, M.A., 
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A 548. Title, Contents, Index, &c., Vol. 216. Pp. 10. Price 6d. 
A 549. On the Instability of the Pear-shaped Figure of Equilibrium of a Rotating Mass of Liquid. By 
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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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B 343. On the Relation between Transpiration and Stomatal Aperture. By Sir Francis Darwin, 
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B 344. On the Structure and Development of the Skull and Laryngeal Cartilages of Perameles, with 
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B 345. The Electrical Conductivity of Echinoderm Eggs, and its Bearing on the Problems of Fertilisation 
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