480 



Index. 



zoic acid, 140— bismutli, 122— boracic 

 acid, 131— citric acid, 139— mercury, 

 125__oxalic acid, 134 — succinic acid, 

 141 — tartaric acid, 138. 



Weights and measures, third report of the 

 commissioners appointed to consider the 

 subject of, 152. 



Whale fishery, employment of rockets in, 



467. »'.;.'. 



Whatton, Mr. on the name of calomel, 

 42T. 



Winch, Mr. J. N. on oxide of manganese, 

 found in the neighbourhood of New- 

 castle, 200. 



Wind guage, new one, 43 1 . 

 Wollaston's thermometer, on, 292. 

 Woods, Brazil, purification of, 31 T. 

 Woulfe's apparatus improved, 468. 



Yellow fever, 468. 



Z. 



Zinc, sulphate of, composition of, 137. 

 oxalate of, composition of, 138. 



THE END. 



C. Baldwin, Printer, 

 .New Bridge-street, Londoa. 



