INDEX. d9 



Cyanogen on the combinations of oxides with, xii. 175 



' on a peculiar acid, formed by the combination of with 



alkalies, xiv. 421 ^ 



• experiments on a crystalline matter, formed in a solu- 



tion of, XV. 302 



production of, xvi. 161 



crystallized hydro-sulphuret of, xviii. 154 



Cyanurets, production of, xv. 381 



— of iodine, process for obtaining, xviii. 173 



of mercury, experiments on the compound of, with the 



nitrate of silver, xix. 159 

 Cystic oxide, compounds of, xvi. 176 



Da Costa (Dr.), observations of, on the geological structure of 



the north of Ireland, iv. 160-163 

 Dacier and Colladon (MM), experiments of, on the action of 



iron in motion on tempered steel, xviii. 160 

 Dahlia, notice of the oil of, xviii. 179 

 Dahline, a new vegetable principle, account of, xvi. 387 



discovery of, in the Jerusalem artichoke, xvii. 385 



Dairy, mode of ascertaining the comparative value of each cow's 



milk in, iv. 157 



Dalton (Mr.), observations of, on the solution of carbonate of 

 lime, xii. 408 



Damp walls, effects of, xvi. 433 



Dances of the Inhabitants ofCucuta, described, iii. 347 



Daniell (J. F., Esq.), on some phenomena, attending the process 

 of solution, i. 24. Observations of, on their application to the 

 laws of crystallization, 47 



on the mechanical structure of iron, developed by solu- 

 tion, and on the combinations of silex in cast iron, ii. 278 



on a new species of resin, from India, iii. 113 



— — ■ observations of, on the theory of spherical atoms, and 



on the relation which it bears to the specific gravities of certain 



