602 Index. 



Mobilities of the Ions produced in Air by Ultra-Violet Light (Hughes), 483. 

 Mobility and Diffusion of the Ions formed in Gaseous Media, Laws of 



(Wellisch), 1. 

 Moerisia, Migration of the thread-cells of (Boulenger), 180. 

 MoTTRAM, V. H., Elected Fellow 1908, November 23, 293. 



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

 Nitrosyl Chloride, Rediiction of (Jones and Matthews), 529. 

 Noon, L., Therapeutic Inoculation for Generalised Bacterial Infections, 24. 

 NuTTALL, G. H. F., The transmission of Trypanosoma lewisi by fleas and 

 lice, 53. 



The presence of anticoagulin in the salivary glands of Argas persicus, 53. 



Orange, J. A., On the shape of beams of canal-rays, 334. 



On certain phenomena of the kathode region, 217. 



Oscillations of Superposed Fluids (Priestley), 297. 

 Osmosis, Free Pressure in (Vegard), 13. 



Osmundaceae and Zygopterideae, The relation between the fossil (Gordon), 



398. 

 Overhead wires, supported by equidistant poles. Difference equation relating 



to the tension of (Robb), 198. 



Paine, H. H., Elected Fellow 1909, February 22, 295. 



Pearson, D. B., Note on an Attempt to Detect a Difference in the Magnetic 



Properties of the Two Kinds of Ions of Oxygen, 373. 

 Permanganates, Influence of dilution on the colour and the absorption spectra 



of various (Purvis), 247. 

 Phenomena of the kathode region (Orange), 217. 

 Phenomena of X-Ray Transmission (Barkla), 257. 



Phosphorescence observed on the glass of vacuum tubes (Thomson), 482. 

 Physostoma, A new species, from the Lower Carboniferoiis Rocks of Pettycur 



(Fife), (Gordon), 395. 

 Plant Remains, from the Upper Coal Measures of Bristol (Lillie), 411. 

 Ponder, C, On the examination of living leucocytes in vitro, 30. 

 Pope, W. J., Elected Fellow 1908, November 9, 292. 



Pope, W. J. and Gibson, C. S., The Resolution of Dihydropapaverine, 545. 

 Pope, W. J. and Read, J., The Resolution of Externally Compensated Bases 



into their Optically active components, 545. 

 Positive rays from heated phosphorus compounds, The emission of (Horton), 



329. 

 Potts, F. A., Observations on the changes in the Common Shore-crab caused 



by Sacculina, 96. 

 Priestley, H. J., On the Oscillations of Superposed Fluids, 297. 

 Priestley, J. G. and Ruhemann, S., Action of Urethane on Esters of Oi'ganic 



Acids and Mustard Oils, 181. 

 Primula sinensis, Histology of the Giant and Ordinary Forms (Gregory), 239. 



