INDIiA. 



Denbigh, \iolent Ktonn at, iv, !;."> 

 Derbyshire, pir.i'iiomenon in tlie Icac 



mines of, ii, -M>; natural wonders at 



the peak of, il>. >-S; springs and folia- 



tains in, iii, 1713 ; lunar rainbow in, 



i\ . .vjo 



Dtnrnit \>ul; r, description of, iii, '243 

 Descartes, hypothesis of, i, H>8 ; ou tht 



doctrines of, ib. 21(>, -22O 

 Deserts, of Arabia, described, iv, 78; 



of Afrii'a, si 



Desiynint/, on the art of, vi, 408 

 Detonating substance, vi, 207 

 Deucalion a Hood, observations on, i, 



247 

 DfriCs hill, at the Cape of Good Hop, 



ii, 430 

 hole, Derbyshire^jlescribed, ii. 



mill, in Ireland, iii, 430 



Devonshire, shocks of an earthquake 



felt in, i, 54 ; remarkable well in, 



iii, 85 ; cataract in, 222; storm in, 



iv, 317 

 Dew, on the formation of, iv. 139 ; but. 



ter like, 152 

 Diamonds, on the discovery of, ii, 270 ; 



specific gravity of, 27 1 ; on the seat 



of, -275 ; of Golconda, mines of, 289 ; 



remarkable ones, 291 ; of Brazil, 



302 ; description of Cornish, 322 ; 



on the nature of, vi, 149 

 Distillation, examination of mineral 



waters by, iii, 204 



Dodotias spring, account of, iii, 144 

 Dole, in Switzerland, view from, ii, 



412 



Domes, account of whispering, iv, 533 

 Don, description of the river, iii, 21 

 Douce, in France, ice house at, ii, 82 

 Dover, communication between Calais 



and, iii, 301 ; remarkable welJ at, 



iv, 73 

 Dragon t wood or calamus, described, 



v, 169 



Drawing, origin of, vi, 408 

 Drome, disappearance of the river, iii, 9 

 Dropping well at Kuaresborough, iii, 



283 



Druids, on the temples of the, iv, 376 

 Duck, natural history of the, v, 645 

 i-kill, a remarkable quadruped, 



Ducks, in the lake of Zirknitz, de- 

 scribed, iii, 103 



Dndlcu, Mr. on embankments, iii, 377 

 Dittany, M. discovers the detonating 

 substance, vi, 207 



park, Ireland, curiosities of. 



, description of, i, 293 

 Diist, account of a shower of, iv, 161 

 Dykes, in Holland, description of the, 



iii, 286 



Dwiita, description of the river, iii, 2! 



Eagle's eyrie, in Cumberland, iii, 265 



Earth, ancient measurement of the, i, 



10; astronomical elements of the, i, 



152 ; general structure of the, 230; 



cause of inequality on the, 27 1 ; ge- 



neral description of the, 296 ; me- 



thod of measuring the, 299 ; form 



of the, 302; superficial phenomena 



of the, ii, 394 ; on the temperature 



of the, iii, 107; structure of the in- 



ternal parts of the, iv, 377 



Earthquakes, cause of, i. 330 ; general 



history of, ii, 1 ; chronological list 



of, 12; ascribed to electricity, 13; 



great one at Lisbon, SI; various, 



45 ; in Iceland, iii, 137 



Eartlis, obsen atioiis on metalline, ii. 



26? 

 East Indies, effects of lightning in, iv. 



343 



Ebro, course of the river, iii, 31 

 Echoes, observations on, iv, 542 ; re- 



markable, 546 

 Eclipses, ancient account of, i, 3 ; the 

 doctrine of, ib. 164 ; of the satellites, 

 202 



Ecliptic, ou the obliquity of, i, 12 

 Ecton hill, Derbyshire, mines of, ii. 



318 

 Eel, natural history of, v, 484 ; de- 



scription of the electrical, 497 

 Et/i/>>t, remarkable mountain in, ii, 

 429; description of, iii, 14; on the 

 climate of, iv, 77 ; magnificent re- 

 mains of ruins iu, vi, 547 

 Egyptians, their knowledge in nstro- 

 namy, i, 4 ; their traditions of the 

 deluge, 247 ; their mode of reckon- 

 ing, 203 ; m;ps invented by, * 

 their .-.kill in chemistry, vi, 3; art of 

 writing among, 365 



