Examination for Colour of Cases of Tobacco Scotoma. 491 



Netto (L.) Le Museum National de Rio de Janeiro et son Influence 

 sur les Sciences Naturelles en Bresil. 8vo, Paris 1889. 



The Author. 



Phillimore (W. P. W.) The Dictionary of Medical Specialists. 8vo. 

 London 1880. The Editor. 



Pickard-Cambridge (Rev. O.), F.R.S. The Spiders of Dorset. 8vo. 

 Sherborne 1879-1881. With four Supplementary Papers. 8vo. 

 Sherborne 1882-1889 ; Monograph of the British Phalangidea 

 or Harvest-Men. 8vo. Dorchester 1890. The Author. 



Roberts-Austen (W. C.), F.R.S. An Introduction to the Study of 

 Metallurgy. 8vo. London 1891. The Author. 



May 14, 1891. 

 Sir WILLIAM THOMSON, D.C.L., LL.D., President, in the Chair. 



The Presents received were laid on the table, and thanks ordered 

 for them. 



In pursuance of the Statutes the names of the Candidates recom- 

 mended for election into the Society were read from the Chair as 

 follows : 



Anderson, William. 



Bower, Prof. Frederick Orpen, 



D.Sc. 



Conroy, Sir John, Bart., M.A. 

 Cunningham, Prof. Daniel John, 



M.D. 



Dawson, George Mercer, D.Sc. 

 Elliott, Edwin Bailey, M.A. 

 Frankland, Prof. Percy Faraday, 



B.Sc. 



Gilchrist, Percy C. 



Halliburton, William Dobinson, 



M.D. 



Heaviside, Oliver. 

 Marr, John Edward, M.A. 

 Mond, Ludwig. 

 Shaw, William Napier, M.A. 

 Thompson, Professor Silvanus 



Phillips, D.Sc. 

 Tizard, Capt. Thomas Henry, R.N. 



The following Papers were read : 



" On the Examination for Colour of Cases of Tobacco 

 Scotoma, and of Abnormal Colour Blindness." By Captain 

 W. de W. ABNEY, C.B., R.E., D.C.L., F.R.S. Received 

 April 29, 1891. 



The following cases were submitted to the Colour Vision Com- 

 littee, and it was thought desirable that the results of the examina- 

 tion should be communicated to the Royal Society. 



VOL. XLIX. 2 L 



