Contents vii 



PAGE 



On the Latent Heats of Vaporisation. By Eric Keightley Rideal, 



M.A., Trinity Hall .... 291 



Oil the fimction [x]. By ViGGO Brun (Drobak, Norway). (Communicated 



by Professor G. H. Hardy) 299 



A theorem concerning summahle series. By Professor G. H. Hardy . . 304 



Standing Waves parallel to a Plane Beach. By H. C. Pocklington, M.A., 



St John's College 308 



The Origin of the Disturbances in the Initial Motion of a Shell. By R. H. 



Fowler and C. N. H. Lock. (One fig. in Text) . . . .311 



Tides in the Bristol Channel. By G. I. Taylor, F.R.S. (Four figs, in Text) 320 



Expenments ivith Rotating Fluids. By G. I. Taylor, F.R.S. . . . 326 



Experiments on focal lines formed hy a zone plate. By G. F. C. Searle, 

 So.D., F.R.S., University Lecturer in Experimental Physics. (Five 

 figs, in Text) 330 



The Tensor Form of the Equations of Viscous Motion. By E. A. Milne, 



B.A., Trinity College 344 



Insect Oases. By C. G. Lamb, M.A 347 



A Note on the Hydrogen Ion Concentration of some Natural Waters. By 



J. T. Saunders, M.A., Christ's College 350 



The Mechanism of Ciliary Movement. By J. Gray, M.A., Balfour Student, 



and Fellow of King's College, Cambridge. (Three figs, in Text) . 352 



A Note on the Biology of the '■ Crown-GaW Fungus of Lucerne. By 



J. Line, M.A., Emmanuel College. (Seven figs, in Text) . . . 360 



On some Alcyonaria in the Cambridge Museum. By Sydney J. Hickson, 

 M.A., F.R.S., Professor of Zoology in the University of Manchester. 

 (One fig. in Text) 366 



The Influence of Function on the Conformation of Bones. By A. B. 



Appleton, M.A., Downing College. (Five figs, in Text) . . . 374 



Animal Oecology in Deserts. By P. A. Buxton, M.A., Fellow of Trinity 



College, Cambridge 388 



Venational Abnormalities in the Diptera. By C. G. Lamb, M.A. (Four- 

 teen figs, in Text) 393 



The Cooling of a Solid Sphere with a Concentric Core of a Different 



Material. By Professor H. S. Carslaw. (Three figs, in Text) . 399 



Symbolical Methods in the theory of Conduction of Heat. By Dr T. J. I'a. 



Bromwich, F.R.S. (Two figs." in Text) 411 



0?!. the effect of a magnetic field on the intensity of spectrum lines. By 

 H. P. Waran, M.A., Government of India Scholar of the University 

 of Madras. (Communicated by Professor Sir Ernest Rutherford, 

 F.R.S.) (Three figs, in Text and Plate III) 428 



On a property of focal conies and of bicircular quartics. Qj C. V. Hand- 

 MANTA Rao, LTniversity Professor, Lahore. (Communicated by 

 Professor H. F. Baker) 434 



Convex Solids in Higher Space. By Dr W. Burnside, Honorary Fellow 



of Pembroke College ......... 437 



Note on the Velocity of X-ray Electrons. By R. Whiddington, M.A. 



(One fig. in Text) 442 



A Laboratory Valve method for determining the Specific Indxictive 



Capacities of Liquids. By R. Whiddington, M.A. (One fig. in Text) 445 



