iv 



March 31, 1892. 



Page 



An Improved Apparatus for ascertaining the Sensitiveness of Safety- 

 lamps when used for Gas-testing. By Frank Clowes, D.Sc. (Lond.), 

 Professor of Chemistry, University College, Nottingham 87 



On the Application of a Hydrogen Flame in an ordinary Safety-lamp 

 to the Detection aud Measurement of Fire-damp. By Frank 

 Clowes, D.Sc, (Lond.), Professor of Chemistry, University College, 

 Nottingham 90 



On the Application of the Safety -lamp to the Detection of Benzoline 

 Vapour and other Inflammable Vapours in the Air. By Frank 

 Clowes D.Sc. (Lond.), Professor of Chemistry, University College, 

 Nottingham. 95 



Aberration Problems : a Discussion concerning the Connexion between 

 Ether and Matter, and the Motion of the Ether near the Earth. 

 By Oliver Lodge, F.E.S., Professor of Physics, University College, 

 Liverpool 98 



The Abductor and Adductor Fibres of the Recurrent Laryngeal Nerve. 

 By J. S. Risien Russell, M.B., M.R.C.P. (From the Pathological 

 Laboratory of University College, London) 102 



Interference with Icterus in Occluded Ductus Choledochus. By 

 Vaughan Harley, M.D. (From the Physiological Institute, Leipzig) 113 



On the Composition of Hsemocyanin. By A. B. Griffiths, Ph.D., F.R.S. 

 (Edin.), F.C.S., &c 116 



List of Presents 116 



No. 309. 



The Nature of the Shoulder Girdle and Clavicular Arch in Sauro- 

 pterygia. By H. G. Seeley, F.R.S., Professor of Geography, King's 

 College, London 119 



Report of the Kew Committee. 152 



No. 310. 



First Report to the Water Research Committee of the Royal Society, 

 on the present State of our Knowledge concerning the Bacteriology 

 of Water, with especial reference to the Vitality of Pathogenic 

 Schizomycetes in "Water. By Percy F. Frankland, Ph.D., B.Sc. 

 (Lond.), F.R.S.. Professor of Chemistrv in University College, Dundee, 

 and Marshall Ward, Sc.D., F.R.S., RL.S., Professor of Botany in the 



Royal Indian Engineering College, Coopers Hill 183 



No. 311. 



Report of the Committee on Colour- Vision. [Plate 2] 281 



Evidence taken by the Committee 306 



Letters received by the Committee bearing on the Enquiry 357 



Appendices [Plate 3] 368 



