LIST OF ILLUSTRATIONS. 



PAGE 



Plate 1. Portraits of Lord Brouncker, P.R.S., Sir Joseph Williamson, 

 P.R.S., Sir Christopher Wren, P.E.S., and Sir John Hoskins, 



P.R.S to face p. 10 



Plats 2. Portraits of Samuel Pepys, P.R.S., the Earl of Carbery, P.R.S., 

 Henry Oldenburg, Sec. R.S., and the Hon. Robert Boyle, 



F.R.S to face p. 18 



Arms of the Royal Society 14 



Seal of the Royal Society , 99 



The Rumford Medal 122 



The Copley Medal 124 



The Davy Medal 127 



The Darwin Medal 130 



The Buchanan Medal 132 



The Royal Medal 133 



View of Kew Observatory in 1891 138 



Kew Observatory. Plan 1 140 



Plan 2 , 145 



Sir Isaac Newton's Reflecting Telescope 172 



