INDEX. 



Water, an error rcfpicti<1g its cotnpref- 

 fion in a globe of gold, 2.— Experiments 

 to afcertain the temperature at which it 

 piffeflTes the greateit denfity, 93. — 

 Difficulties ref peeling the decampofition 

 of, by galvanifm, 106 



Watt, Gregory, Efq* his obfervations on 

 bafalt, 113 — 165 



Wax of lac, properties of, 98 



W. B. on an improved conitrucYion of 

 Woulfe's apparatus, 1S0 



Weifs's electrometer, defcription of, 294 



Werner, 172 



Weft, Mr. 224 



W. F. C. on the direct production of ni- 

 tric acid, 105 — ttHf 



Wheat feldom efcapes the blight if near a 

 barberry bum, 230 



Whey, experiments on, 143. — Is not a 

 product of fermentation, 257 



Widenmann, 265 



Wilkins, Mr. 45 — ioj 



Wilkinfori, Mr. 30.— His galvanic illuf- 

 trations and remarks, 56. — Objections 

 to his hypoihefis of galvan'fm, 106 



Willaume, Mr. on peat, 207 



Wilfon, Mr. W. his method of exhibit- 

 ing the electricity of metals without a 

 condenfer, 42 



Wifeman, Mr. 265 



Withering, Dr. 115 



W. N. on pendulums, 79.— On the ho- 

 rizontal moon, J59 



Woilafton, Dr. on a new metal found fa 

 crude platina, 34. — His letter relative 

 to the difcovery of palladium, 204 



Woulfe, improvement in the conftruction 

 of his apparatus, 180 



y. 



Young, Dr. M. 69 



Z. 



Zinc, oxide of, native, 5 



i'E/NTH VOLUME. 



ERRATA. 

 Tage 146, /. 20, r. aitronomkarum — 147, /. \~], fidereus— /. 25, perfpicillum — /. %t t 

 janfuib — P. 148, .'. 13, r. cauda — ibid. r. at — /. 14, Claritudo — /. 19, Montucla— 

 P. 150, I. 23, enunciates — /. 32, propagatum — ib. caufam. 



W. Stratfordj I'.'inter, Cri|wn Court, Temple Bar. 



