PAPERS PRESENTED BY A.E.C.L. STAFF AT THE MEETING OF THE ROYAL SOCIETY OF CANADA, HELD AT TORONTO, JUNE 6-8, 1955. Consists of two papers and an abstract: CROSS-SECTIONS OF (p,xn) REACTIONS IN HEAVY ELEMENTS. SLOW NEUTRON SPECTROMETRY--A NEW TOOL FOR THE STUDY OF THE DYNAMICS OF CONDENSED SYSTEMS. ANALYSIS OF INTERFERENCE BETWEEN TWO J = 1/2+ STATES IN THE REACTION C¹â´