CONTENTS. 



PAGE 



On the Mobilities of the loiis produced in Air by Ultra- Violet Light. By 

 A. Ll. Hughes. (Communicated by Professor Sir J. J. Thomson.) 

 (Four figs. in.Text) . . . 483 



On a Dissymmetry in the Emission of the Cathode Particles ivhich are 

 produced by Homogeneous Rontgen Radiations. By R. T. Beattt. 

 (Communicated by Professor Sir J. J. Thomson.) (One fig. in Test) 492 



On Right- ajid Left-Handedness in Barley. By R. H. Compton. (One 



fig. in Test) 495 



On Accident in Heredity ^ tvith special reference to Right- and Left- 

 Handedness. By F. J. M. Steatton and R. H. Compton . . 507 



Discontimdties in Light Emission. II. By Norman Campbell . . 513 



The Absorption of Bromine by Lime. By W. A. R. Wilks. (Com- 

 municated by Dr Fenton) . . . . . . . . 526 



Note on the Reductio7i of Nitrosyl Chloride. By H. 0. Jones and 



J. K. Matthews . . . 529 



The development of Trypanosoma lewisi in the Rat Flea (Ceratophyllus 

 fasciatus). By C. Strickland and Dr N. H. Swellengrebbl. 

 (Communicated by Professor Nuttall) . . . . . . 531 



The Development of Onomonia erythrostoma, the Cause of Cherry Leaf 



Scorch Disease. By F. T. Brooks 534 



The Absence of Living Tubercle Bacilli from some Old Tuberculous 



Lesions in Man. By Dr Louis Cobbett 536 



Note on the Radiimi-content of the Waters of the Cam, Cambridge Tap 

 Water and some Varieties of Charcoal. By John Satterly. (Com- 

 municated by Professor Sir J. J. Thomson) . . . . . 540 



The Resolution of Externally Compensated Bases into their Optically 



active components. By Professor Pope and J. Read . . . 545 



The Resolution of Dihydropapaverine. By Professor Pope and C. S. 



Gibson . . . . . . . . . . . . 545 



Further study of the Products of Chlorination of a-Picoline. By Dr Sell 546 



Formation of uric acid derivatives. By Dr Fenton and W. A. R. Wilks 547 



The fate of uric acid in the dog. By Harold Aokroyd. (Communicated 



by Mr W. E. Dixon) . .547 



The Adsorption of Acids by Carbohydrates. By F, Robinson. (Com- 

 municated by Dr Fenton) 548 



The results of Sterilisation Experiments on the Cambridge Water. By 



G. Sims Woodhead , . , . 559 



Preliminary note on the properties of easily absorbed Rontgen Radiation. 

 By R. Whiddington. (Communicated by Professor Sir J. J, 

 Thomson.) (One fig. intf^est) . . ; . . , . . 574 



Further notes on the procession of Cnethocampa pinivora. By H. H. 



Brindley. (Plates XIII, XIV) ... . . . .576 



Proceedings at the Meetings held dxiring the Session 1909 — 1910 . . 589 



Index to Vol. XV. . . . , 597 



