iv CONTENTS. 
K.—The Present Position of the Theory of Descent, in Relation to 
the Early History of Plants. By Dr. D. H. Scorv, F.R.S.... 
L.—The Place of Music in a Liberal Education. By Sir Henry 
Hapow, C.B.E. ....... SAM hie gee Rove ae Polen acess ctwbcceceseceoscwadunen 
M.—The Study of Agricultural Economics. By C. 8. ORWIN ...... 
REPORTS ON THE STATE OF SCIENCE, GC. oc... ccecscceccseccecccccecceceecess - 
TRANSACTIONS OF THE SHOTIONS | cccpcsvcccccscoctdsacleeidddoentdeystsiciddet adds tend a 
REFERENCES TO PUBLICATION OF COMMUNICATIONS TO THE SECTIONS... 
SECTIONAL COMMUNICATIONS tn eatenso : 
Discussion on the Structure of Molecules .............:ceceeeeeeeeees dcaneeee 
Discussion on the Quantum Theory ..... Vssewseecsesss a cuidle so bcioau s aeteeeenas 
Science and Ethics, by Dr. E. H. GRIFFITHS, F.RAS........ cece eeeee ees 
CORRESPONDING SOCIETIES COMMITTEE’S REPORT ........ecceeeseeees uelateeeees 
CONFERENCE OF DELEGATES OF CORRESPONDING SOCIETIES : 
President's Address—The Message of Science, by Sir R. GREGORY... 
Report of the Conference ........ re ee 
List or Papers, 1920, on ZooLtocy, Borany, AND PREHISTORIC 
ARCHZOLOGY OF THE BritisH Isis, by T. SHEPPARD...........0000008 
INES CID HOR cercta aisles on sauces cornet maceseneeac Petistva hie du) od 6 visioie Sia wesi haereniee eR eee 
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