480 



Index, 



Transactions, Philosoplucal, of the Royal 

 Society of London, analysis of, 219, 

 307. 



Transition, formation of, Sweden, on the, 

 16. 



V. and U. 



Vauquelin, M. on some crystals found in 



solution of cyanogen, 68. 

 Velocity of sound, experiments to deter- 



mine, 20 1. 

 Verditer, blue, method of distinguishing 



ultramarine from, 34, 

 Volcanoes, on the constitution and mode 



of action, 121. 

 Ultramarine, on tlie methods by which its 



purity may be ascertained, 31. 

 Uranium, phosphate of, 1 56. 



W. 



^V^leatstone, Mr. experiments on sound, 



81. 

 M'^hidbey, Mr. notice of his paper on some 



fossil bones discovered at Oreston, 307. 

 Williams, Dr. on the cause and effects of 



an obstruction of the blood in the lungs, 



— — lyir, on the slow combustion of 



tallow, fixed oils, and wax, 44. 



A^'inch, IVIr. on the phosphates of lead, 71. 



M'oHaston, Dr. notice of his paper on me- 

 tallic titanium, 65 — his method of de- 

 tecting magnesia, 1 55. 



Z. 



Zinc, acetate, crystalline form of, 39. 

 — — sulphate, crystalline form of, 437. 



■rts>% 



C.Uaklwte, Piiutrr, 

 'New Oridte^reet, Londoo. 



