INDEX, 
W P a g e 
Wollaston, Dr. on superacid and subacid salts, * 96 
Wombat, its anatomical structure, - 306 
Y 
Young, Dr. His hydraulic investigations, « » I64 
Z 
Zircone, experiments on its decomposition, « ® 35^ 
From the Press of 
W. BULMER & Co. 
Cleveland-Row, St. James's. 
