INDEX. 



526 



Wallace (A. E.), Royal medal awarded to, 

 147. 



Wanldyn (J. A.) on a new class of or- 

 gano-metallic bodies containing sodium, 

 286. 



Wave-machine, notice of, 145, 



Weather- signals, telegraphic, 137. 

 W T heatstone (Sir C), Copley medal awar« 



ded to, 145. 

 Whymper (E.) fossil plants collected by, 



notice of, 142 ; description of, 329. 



END OP THE SEVENTEENTH VOLUME. 



PEINTED BY TAYLOR. AND FRANCIS, 

 RED LION COURT 7 FLEET STREET. 



