INDEX. 



Shireburn castle, phoenomenon at,ii,53 

 Shoal of pumice-stones, iv, 165 

 Shoerls, or volcanic glass described, i, 



511, 518 



Shropshire, mines in, ii, 3*^2 

 SJwu-ers, \ulcanic, iv, l6l ; of h'shes,l66 

 Siberia, bones in the rivers of, ii, 178, 



195; on the mines of, ii, 286 

 Sicilian diver, account of the, v, 370 

 Sicily, earthquakes in, ii, 6, 59 

 Sidereal revolution, duration of, i, 147 

 Sierni /eomdiiountainsdescribed, ii,429 

 Silk-u-orm, natural history of the, v, 



407 ; on the culture of, 410 

 Silrer mines in Norway, ii, 284 ; in 

 Potosi, 292; method of working, 

 293 ; in Ireland, .3-27 ; on fulminat- 

 ing, vi, 185 



Silver-tree, method of making, vi, 327 

 Simoom, a pestilential wind, iv, 233 

 Sinai, description of mount, ii, 425 j 



on the desert of, iv, 80 

 Siren, natural history of the, v, 564 

 Sirocco, a destructive wind, iv, 223 

 Skidi!au; in Cumberland, described, ii, 



444 



Shy, on the bine colour of the, iv, 5 ; 

 on the clearness of the, 69 ; on lights 

 in the, 427 



Skit-lark, natural history of the, v, 632 

 Snaefell Jokul, volcanic peak of, i, 461 

 Snake, description of the rattle, v, 566; 



the horned, 577; the hooded, 584 

 Snow, nature of, iv, 166; quantity of 

 water equal to, 168; mode of forma- 

 tion of, 170; red, 172, 3; avalanches 

 of, 175; a family buried in the, 177; 

 of the appeiinines, exhalations on, 

 501 



Snowdon, in Wales, described, ii, 443 

 Solander, Dr. anecdote of, iv, 87 

 Solar agency in cometic phenomena, 

 i, 135; iris, a remarkable, iv, 528 ; 

 phosphori, vi, 107 



tSW/atem, nearNaples, account of, i,509 j 

 Solids, expansion of, iv, 51; on the 



fusion of, 56 



Xulittion of water in air, iv, 145 

 Solway moss, irruption of, ii, 139 

 Somma, description of mount, i, 366 

 Xauffrieres, in the West Indies, i, 492 

 Sounds, on the velocity of, iv, '^S7; on 



the nature of, 'i.i.i 

 S<j>"fi polar regions, cold of, iv, 86 



Spain, minerals of, ii, 283 ; mountains 



of, 419; on the wines of, v, 77 

 Speculum metal, composition of, vi, 29 1 

 Spiders, natural history of, v, 46> , M! k 



spun from tie, 460 ; flight of th 

 Sponges, natnral history of, v, 355 

 .tyoiilaucort* illumination, vi, 128 

 Spots, on the solar, i, 44 

 Spouts, water, on, iv, 262, 269 

 Spunk, inflammability of, vi, 100 

 Staffa, description of the isle of, ii, 97 

 Stay's horns, enormous, ii, 174 

 Stanhope, lord, on the returning stroke, 



iv, 336 



Star-fish, natural history of, v, 364 

 Stars, nature of the fixed, i, 58 ; rela- 

 tive situation of double, 1 13 ; twink- 

 ling of the, 185; observations on the, 

 189 ; distances of the, 190 ; light of 

 the, ib. ; visible in London, 203; on 

 shooting, iv, 492 



Statuary metal, composition of, vi, 285 

 Statues, remarkable, ii, 243, 251 

 Steel, method of casting, vi, 293 

 Stellar nebulae, observations on, i, 103 

 Sterlet, natural history of the, v, 537 

 Stone-henge, on the temple of, iv, 876 

 Stones, of phosphorescent, ii, 385 ; on 

 sonorous, 386; remarkable hail, iv, 

 182, 184; shower of, 459; history ot % 

 meteoric, 468 ; analysis of, 473 ; ori- 

 gin of, 475; on burning, iv, 425 

 Storms, violent one in Denbighshire, 

 iv, 155; at liipponden, 156; in Sus- 

 sex, 157 ; remarkable hail, 182, 184 ; 

 on the course of, 203: extraordinary 

 thunder, iv, 312, 36l 

 Strata of the earth, i, 233 ; on basaltic, 



273 ; of rocks, 327 

 Streaming, on luminous, iv, 414 

 Stroke, on the returning, iv, 336 

 Stromboli, account of, i, 436 

 Stukely, Dr. on earthquakes, ii, 13 

 Sturgeon, natural history of the, v, 534 

 SttifflTMMDtphoQnosjMM of the globe, 

 i, 319; quarries, ii, 113; trees, 154, 

 158; horns, 174; ruins, 258, 9 

 Sucker, description of the, v, 5.S2 

 Sui-twu of the atmosphere, iv, 29 

 Sitdbttry, parhelia seen at, iv, 523 

 Sugar, natural history of, v, 78; on 

 niHple, 84; of btet root, 85 ; chemi- 

 cal properties of, 87 ; of v* ln-.i- 

 preparation of the caudy of, loo 



