Index. 599 



Crowther, J. A., Elected Fellow 1909, February 22, 295. 



On the Eelation between Ionization and Pressure for Rontgen Rays in 



different Gases, 34. 



On the Relative Ionization produced by Rontgen Rays in different 



Gases, 38. 



On the secondary Rontgen radiation from air and ethyl bromide, 101. 



On the Scattering of the j3-rays from Radium by Air, 273. 



On the Transmission of ^-rays, 442. 



Cubic surface in space of four dimensions (Richmond), 116. 



David, W. T., Elected Associate 1910, February 21, 593. 



Differential equations. The solution of a system of, occurring in the theory 



of radio-active transformations (Bateman), 423. 

 Dihydropapaverine, Resolution of (Pope and Gibson), 545. 

 Discontinuous Phenomena, Study of (Campbell), 117. 

 Dixon, A. C, On a property of summable functions, 210. 



Jacobi's double-residue theorem in relation to the theory of point- 



groups, 472. 

 Dixon, G., Elected Fellow 1909, March 8, 295. 



Dixon, W. E. and Hamill, P., The mode of action of specific substances, 54 

 Dixon, W. E. and Harvey, W. H., The action of specific substances in 



toxaemia, 54. 

 DoBBS, F. W., Elected Fellow 1910, February 21, 593. 

 DoBELL, C. C, On a so-called " sexual " method of forming spores in Bacteria 



91. 

 DoNCASTER, L., Note on an abnormal pair of appendages in Lit/iobius, 178. 

 Double-sixes (Burnside), 428. 



Edwards, T. G., On the Procession and Pupation of the Larva of Cnetho- 



campa pinivora, 431. 

 Electric Detector for Electromagnetic Waves (Wellisch), 337. 

 Electric Force along the Striated Discharge, The distribution of (Thomson), 70. 

 Electricity, The Carriers of the Positive Charges of, emitted by hot wires 



(Thomson), 64, 

 Electrified Particles, The Scattering of rapidly moving (Thomson), 465. 

 Electrometer, A string (Laby), 106. 



Fenton, H. J. H. and Robinson, F., Homologues of furfural, 182. 



Fenton, H. J. H. and Wilks, W. A. R., Formation of uric acid derivatives, 



547. 

 Fluids, Oscillations of Superposed (Priestley), 297. 

 Fluorescing iodine vapour, Electrical behaviour of (Whiddington), 189. 

 Fossil plants from Newfoundland (Arber), 390. 

 Fryer, J. C. F., Elected Fellow 1909, November 8, 590. 



Aldabra and neighbouring Islands, 340. 



Furfural, Homologues of (Fenton and Robinson), 182. 



