vm 



No. 301. May 14, 1891. 



Page 



On the Examination for Colour of Cases of Tobacco Scotoma, and of 

 Abnormal Colour Blindness. By Captain W. de W. Abney, C.B., 

 RE., D.C.L., F.R.S 491 



On the Limit of Visibility of the different Rays of the Spectrum. Pre- 

 liminary Note. By Captain W. de W. Abney, C.B., RE., D.C.L., 

 F.RS.~ 509 



Researches on the Structure, Organisation, and Classification of the 

 Fossil Reptilia. VII. Further Observations on Pareiataunu. By 

 H. G. Seeley, F.R.S., Professor of Geography in King's College, 

 London 518 



On the Theory of Electrodynamics. By J. Larmor, Fellow of St. John's 

 College, Cambridge 521 



List of Presents 536 



May 28, 1891. 



On the Bases (Organic) in the Juice of Flesh. Part I. By George Stil- 

 lingfleet Johnson, M.RC.S., F.C.S., F.I.C 538 



Note on Dr. Fen ton Evans' Paper on the Pathogenic Fungus of Malaria. 

 By W. T. Thiselton Dyer, M.A., C.M.G., F.RS 539 



Method of Indexing Finger-Marks. By Francis Galton, F.R.S 540 



On the Anatomy and Physiology of Protopterus anna-tent. By W. N. 

 Parker, Ph.D., F.Z.S., Professor of Biology in University College, 

 Cardiff 549 



On the Constitution of the Terpenes, Camphors, and Camphor Acids. 

 By J. Norman Collie, M.D 554 



List of Presents 554 



Plates 7 and 8 (with explanations), illustrating Messrs. Wood-Mason and 

 Alcock's paper (No. 299, p. 359). 



Obituary Notices : 



Alexander John Ellis i 



John Marshall - iv 



Frans Cornelis Donders (with a portrait) vii 



John Casey xxiv 



Index . . x.\ vi 



