PROCEEDINGS OE 



THE EOYAL SOCIETY. 



TOL. xxi. No. 140. 



CONTENTS. 



December 5, 1872. 



PAGE 



I. Synthesis of Aromatic Monamines by Intramolecular Atomic Interchange. 



By A. W. Hopmann, M.D., LL.D.,- F.R.S 47 



II. Transformation of Aniline into Toluidine. By A. W. Hopmann, M.D., 



LL.D., F.R.S .' 54 



III. Colouring-matters derived .^from Aromatic Azodiamines. By A. W. Hop- 



mann, LL.D., F.R.S., and A. Geygee, Ph.D 56 



IV. New Method for producing Amides and Mtriles. By E. A. Letts, Berlin 



University Laboratory 61 



V. Investigation of the Attraction of a Galvanic Coil on a small Magnetic Mass. 



By James Stcaet, M.A., Fellow of Trinity College, Cambridge ... 66 



[For continuation of Contents see 4<th page of Wrapper, .] 



CATALOGUE OF SCIENTIFIC PAPERS. 

 Vol. VI., completing the Work, is published. 



NOTICE. 



A Meeting of the Government-Grant Committee will be held in February. It is 

 requested that applications to be considered at that Meeting be forwarded to the 

 Secretary of the Royal Society before the 31st of January, 1873. 



