INDEX. 
page 
Torpedo of the Cape of Good Hope, the frequent action of its 
electrical organs is injurious to the life of the animal, 125 
— 1 — -- - an intimate relation be- 
tween its nervous system and electrical organs inferred, 126 
W. 
Wollaston, William Hyde, M. D. On the cutting 
diamond, - - - 265 
— — * — observations and 
experiments on the mass of native iron found in Brasil, 2 % 1 
From the Press of 
W. BULMER & Co. 
Cievcland-row, St. James’s , 
London. 
