INDEX. 



525 



Willemoes-Suhm (R. von) on a new genus 

 of amphipod crustaceans, 206. 



Williams (Gr.), researches on emeralds and 

 beryls : Part I. On the colouring-matter 

 of the emerald, 409. 



Williamson (W. C.) on the organization of 

 the fossil plants of the coal-measures : 

 Part IV. Dictyoxylon, Lyginodendron, 

 and Heterangium, 86 ; Part V. Astero- 

 phyllites, 394. 



Wind, on the diurnal variations of the, at 



Bombay, 384. 

 Wohler (R), Copley medal awarded to, 



30. 



Woodward (H.), admitted, 348. 



Young (J.), admitted, 348. 



and Thorpe (T. E.) on the combined 



action of heat and pressure upon the 



paraffins, 184. 



END OF THE TWENTY-FIRST VOLUME. 



PRINTED BY TAYLOR AND FRANCIS, 

 RED LION COURT, FLEET STREET. 



