ILLUSTKATIONS. 



PAGE 



Sir John Bennet Lawes, Bart., D.C.L., LL.l)., F.B.S. . facing 1 



kothamsted front laboratory and sample galleries . 4 



Main Koom of Bothamsted Sample House ... 5 



BOTHAMSTED JUBILEE BOULDER .... facing 8 



Bothamsted Manor House . . . . . n 10 



Sir Joseph Henry Gilbert, M.A., Ph.D., LL.D., F.B.S. t , 19 



Experiments on the Fixation op Free Nitrogen — Peas . 146 

 Experiments on the Fixation op Free Nitrogen — Vetches . 147 

 Experiments on the Fixation of Free Nitrogen — Lupins . 149 

 Swedish Turnips, without Manure, and with different 



Manures ....... 204 



Experiments at Bothamsted on the Feeding of Animals 



(Diagrams I. and II.) ..... following 354 



