604 Index. 



Sharpe, H. J., On the Reflection of Sound at a Paraboloid, 190. 



Shaw, T. K., Elected Fellow 1909, November 22, 591. 



Shore-crab, Changes in the Common, caused by Sacculina (Potts), 96. 



Sinclair, F. G., Note on the abnormal pair of appendages in Lithohias, 235. 



Sodium, Double fluorides of (Wilks), 76. 



Sodium, The radiation of various spectral lines of (Purvis), 45. 



Solutions, Some general Properties of Mixed (Vegard), 275. 



Sound, Reflection of, at a Paraboloid (Sharpe), 190. 



Southerns, L., Experimental Investigation as to Dependence of the Weight 



of a Body on its state of Electrification, 352. 

 Stratton, F. J. M. and Compton, R. H., On Accident in Heredity, with 



special I'eference to Right- and Left-Handedness, 507. 

 Strickland, C. and Swellengrebel, N. H., The development of Trypanosorna 



lewisi in the Rat Flea {Ceratophyllus fasciatus), 531. 

 Substances, The mode of action of specific (Dixon and Hamill), 54. 

 Summable functions. On a property of (Dixon), 210. 

 Swain, H. T., Elected Associate 1910, May 23, 595. 

 Swellengrebel, N. H. and Strickland, C, The development of Trypanosoma 



leivisi in the Rat Flea [Ceratophyllus fasciattbs), 531. 



Taylor, G. I., Interference fringes with feeble light, 114. 



Tetramethylpicene, Absorption spectra of solid (Purvis and Homer), 82. 



Therapeutic Inoculation for Generalised Bacterial Infections (Noon), 24. 



Thio-oxalate, A coloured (Jones), 94. 



Thoday, D., Elected Fellow 1910, February 7, 592. 



Thomas, H. H., Elected Fellow 1910, February 7, 592. 



On a specimen of the cone Calamostachys hinneyana (Cam), 236. 



On the assimilating tissues of some Coal Measure Plants, 413. 



Thomson, J. J., On the Carriers of the Positive Charges of Electricity emitted 



by hot wires, 64. 



On the Electric Theory of Gravitation, 65. 



On the Distribution of Electric Force along the Striated Discharge, 70. 



On the theory of the motion of charged Ions through a Gas, 375. 



On the Scattering of rapidly moving Electrified Particles, 465. 



On the phosphorescence observed on the glass of vacuum tu.bes when 



the pressure is not very low, 482. 

 Toxaemia, The action of specific substances in (DixoN and Harvey), 54. 

 Trichloromesitylene, Absorption spectra of (Purvis), 89. 

 Trypanosoma leivisi, Transmission of, by fleas and lice (Nuttall), 53. 

 Trypanosoma lewisi in the Rat Flea, The development of (Strickland and 



Swellengrebel), 531. 

 Tubercle Bacilli from some Old Tuberculous Lesions in Man, The Absence of 



Living (Cobbett), 536. 

 Tuberculosis, The Relationship between Human and Bo\'ine (Woodhead), 40. 

 TuRNBULLj.H. W.-, The irreducible concomitants of two quadratics in n 



variables, 296. See Transactiom xxi. -- 



