Viri contp:nts. 



Page. 

 Al'I'KNDIX TO Sf.CKETARY'S REPORT G9 



I. Publications of tbe year 69 



II. Eepoit ou iuternatioual exchanges • 73 



III. Eejiort ou the Library 83 



GENERAL APPENDIX. 



Advertisement 87 



Tlie National Scientitic Institutions at Berlin, by Albert Guttstarlt 81) 



Hertz's Researches ou Electrical Oscillations, by G. W. tie Tunzelmann 14.^) 



Repetition of Hertz's Experiments, etc., by Frederick T. Trouton 191 



Progress of Meteorology in 1889, by George W. C nrtis 205 



How Rain is Formed, by H. F. Blanford 287 



On Aerial Locomotion, by F. H. Wenham 303 



On the Movements of the Earth's Crust, by A. Blytt 3.5 



Time keeping in Greece and Rome, by F. A. Seely 377 



Botauicul Biology, by W. T. Thiselton-Dyer 399 



Elementary Problems in Physiology, by J. S. Burden Sanderson 423 



Ou Boscovich's Theory, by Sir William Thom.son 4.15 



The Modern Theory of Light, by Oliver J. Lodge 441 



Michelsou's Recent Researches on Light, by Joseph Lovering 44'.i 



Photograi)hy in the Service of Astronomy, by R. Radaii 4(19 



The Life-work of a Chemist, by Sir Henry E. Roscoe 491 



Memoir of Heinrich Leberecht Fleischer, by A.Miiller .')07 



Memoir of Gustav Robert Kirchoff', by Robert von Helmholtz 527 



On Heredity, by Sir William Turner. 541 



Anthropologj^ in the Last Twenty Years, by Rudolph Virchow .555 



Scandinavian Archcneology, by Ingwald Unset 571 



Progress of Anthropology in 1889, by Otis T. Mason 591 



The Last Steps in the Genealogy of Man, by Paul Topinard (lf!9 



The State and Higher Education, by Herbert B. Adams 695 



The Molecular Structure of Matter, by William Anderson '11 



Aluminum, by H. C. Hovej-^ 7,'l 



Alloys of Aluminum, by J. H. Dagger 725 



The Eiftel Tower, by G. Eiffel 729 



TheEiffelTower, by William A. Eddy 736 



The Great Terrestrial Globe at the Paris Exhibition of 1889 745 



Geographical Latitude, by Walter B. Scaife 749 



