1KDEX. 487 



and most convenient method of calculating the orbit of, from 



observations, 416-426. 

 Compressibility of water, experiments on, 399. 

 Conductor J effects of lightning on a bad one, 460-462. 

 Configliacchi (M.) experiments of, on the poison of vipers, 193, 



194. 

 Cooper (Mr. J. T.) evidence of, in the cause of Scyem and Co. 



against the Imperial Insurance Company, 336. 

 Copper, new test for, discovered, 182. 



Corn may be beneficially reaped, before it is perfectly ripe, 447. 

 Coxwell (Henry, Esq.) evidence of, in the cause of Severn and 



Co., against the Imperial Insurance Company, 336. 



Daniell (J. F. Esq.) observations of, on the editors of the Bibli- 



oth^ue Universelle, relative to his new hygrometer, 123-131 



— meteorological table of, for one year, with remarks, 131- 



135 — experiments to ascertain the effects of the great eclipse 



in September, 1820, on the gaseous and aqueous atmospheres, 



135-137. 

 Davy (Sir Humphry), discourse of, to the Royal Society, 380- 



386. 

 DeviUe (Mr. James) evidence of, in the cause of Severn and Co. 



against the Imperial Insurance Company, 336. 

 Dialldge Rock of Shetland, observation on, 103-108 — synopsis 



of iU different divisons, 108, 109. 

 Diamond, on the structure of, 167-168. 

 Digestion, influence of the eighth pair of nerves on, illustrated 



by experiments and remarks, 292-314. 

 Dip of tne needle, observations on, 459. 

 Donkin (Bryan, Esq.) evidence of, with remarks, in the cause of 



Severn and Co. against the Imperial Insurance Company, 



326-327. 

 Douault Wieland (M.) process of, for preparing artificial gems, 



184-186. 

 Drapiez (M.) antidote recommend by, for poisons, 192. 

 Dry Rot in ships, prevented by filling up their timbers with salt, 



448. 

 Dyeing, improvement in, 188. 



Earthenware reflectors, notice of, 170. 

 Earthquakes, notice of, 199. 



Eclipse, the great, effects of, on the gaseous and aqueous atmos- 

 pheres, 135-137— observations made during it, 458. 

 Egg9, new mode of preserving, 449. 

 Egypt, notice of Mr. Salt's researches in, 475, 476. 

 Electric and magnetic phaenomena, connexion of, 361-364. 

 Electrical experiment, 188. 

 Elephant, death of, 203. 



