PROCEEDINGS OE 

 THE ROYAL SOCIETY. 



VOL. XV. No. 83. 



' CONTENTS. 



April 12, 1866. 



PAGE 



I. On Uniform Kotation. By C. AY. Sieitens, F.R.S. ......... 71 



II. On a Fluorescent Substance, resembling Quinine, in Animals ; and on the 

 Eate of Passaore of Quinine into the Tascular and Non-vascular Textm*es of 

 the Body. By H. BE^-CE Joxes, M.D., F.R.S., and A. Dupee, Ph.D., 

 F.C.S 73 



April 19, 1866. 



I. Account of the Discovery of the Body of a Mammoth, in Arctic Siberia, in 

 a Letter from Dr. Gael Eexst vox Baee, of St. Petersbm'gh, For. Mem. 



R.S 93 



II. On the Bursa Fabricii. By Jons Davy, M.D., F.E.S., &c 94 



III. Kesearches on GTim-cotton. — Memoir I. Manufactm'e and Composition of 



Gun-cotton. By F. A. Abel, F.E.S., Y.P.C.S. . 102 



rV. On the Mysteries of Numbers aUuded to by Fermat. By the Et. Hon. 

 Sir Feedeeice Polloce, Lord Cliief Baron, F.E.S., &c. 



[This Paper will be given in the next Nmnber.] 



April 26, 1866. 



I. On the Dentition of Bhinoeeros leptorhinns (OwenV By W. Boyd Daw- 



Kixs, M.A. Oxon., F.G.S ' 106 



II. Experimental Eesearches in Magnetism and Electricity. — Part 1. By H. 



Wilde, Esq ' 107 



III. Extract of a Letter from Chaeles Chambees, Esq., Acting Superintendent 



of the Bombay Magnetic Observatory, to the President Ill 



IT. On the Tides of the Arctic Seas.— Part III. On the Semidiurnal Tides of 

 Frederiksdal, near Cape FareweU, in Greenland. By the Eev. S. Haugh- 

 TON, F.E.S 114 



EERATA. 



Page 25, last line (and tln'oughout the same paper), for oxalyl read oxatyl. 

 „ 27, fifteenth line from bottom, for alcohol hydrogen read alcohol radical. 



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