4S« 



INDEX. 



Pearson on alkaline matter contained 

 in dropsical fluids, 64 ; answer to, 

 by Dr. Marcet, 122 ; reply of Dr. 

 P., 289 



Ptrihelion of planets. What, r>, 6 

 Phannacopaia. Nomenclature of, 

 dangerous, 39 



Phosphorus. .Sir H. Davy on, 459 

 Physiognomy. Clarkson on, 389, 47 1 

 Pijties'-koie. Description of, 161 



Planets. Facts respecting, 5 



Plusttr or stucco. A durable, 4S0 

 Polar distance. Tables for, 448 



Piuiabiliiies. Theory of, 240, 400 

 Pan;p. An improved, StS2 



Pyramids cf E^tjpl. On the, 143 

 Quicksitvtr frozen by Leslie's pro- 

 cess, 321 

 Radialiim of cold. On, 208 

 Radius vector. Wh.it, 5 

 Rejlertiiif: tiicle. Allan's 249 

 Repeating watcii. Substitute for, 216 

 Rivers in Derbyshire. Account of, 191 

 i?oaf/ on mordants, 175 

 Royal Institution, 74, 132, 220 

 Royal Medi'ai Society. Ediriburg-h,396 

 Ruyal Society, 72, lisO, 210, 3 i 1, S85, 

 459 

 Rumford on light, 73 

 Russell histitulton, 2:13, $13, 469 

 Sadler ou smelting of lead, 186 

 Salt-mines of Cheshire, 210 ; of Wor- 

 cestershire, 313 

 Satellites, Facts respecting, 1 9 

 Saturn. Facts respecting, 17, 25 

 Scarlet. On dyeing, 183 

 Schoo river. Description of, 200 

 Schulze on strengchof men and horses, 

 282 

 Sea-kale. On growth of, 437 

 Secular ineijualities of the planets, 7 

 Sence river described, 205 

 ■S/iea/ riifr described, 202 

 Sheep vaccinated, 402 

 Shelf riculel described. 202 

 Sidereal reoolulinn of planets, 6 

 Silk. On dyeing, 176 

 Skey's remarks on Barbadoes, 466 

 Smelling of lead. On, ' 186 

 Snakes. On motion of, 219 

 Solar cnronce seen at liymouth, 385 

 Sound. On, 37 

 Sponges. Essay on. 319 

 Staiicli(fe on Allan's dividing instru- 

 jrient, 119 



Slarliiigs. What, 410 



Sleevent's apparatus for freeing con- 

 duit-pipes from air, 173 

 Stevvenx's levelling staff, 35 

 Strength of men and horses in moving 

 machines, 282 

 Stucco or plaster. A durable, 4:50 

 Sugar. On refining, 77, 155 

 Sulphuric actd. Sir H. Davy on, 459 

 Sun. Facts respecting the, 4 

 Surgical cases, 800, 435 

 Syptiilis. Remarkable cases of, 91 

 Tartrite of potash, its use in dyeing, 

 180, 183 

 Taunton's surgical cases, 300, 435 

 Telescopic planets, 5, 19 

 Tenenjf. Island of, 463 

 Thenard on mordants, 175 

 Thread. On dyeing, 177 

 Tides. On the, 14 

 Tillard on volcano near St. Michael, 

 451 

 Tin, its use in dyeing, 183 

 Trent river. Description of, 193 

 Tuning forks, 37 

 Tapper on vegetable sensation, 217 

 Vraiius. Facts respecting, 5,19,25 

 I'^accinution, 152, 403 

 Vegetable sensation. On, 217 

 Vegetable wax. On, 423 

 f-'enus. Facts respecting, 9 

 Vesta. Facts respecting, 5 

 Fibraling strings. On, 37 

 FincenCs, St. Earthquake at, 474 

 Vision. Pettigrew on, 386 

 Vnlcanos, 451,474 

 M'el'ster's improved boilers, 264 ; on 

 Alcyona, 464 

 W'a/tec'i theory of vision, 387 

 fVatker's (E.) substitute for repeat- 

 ing watch, 216 

 PFax, vegetable. On, 423 

 fVay's durable stucco, 430; on hemp 

 and sea-kale, 437 

 ffernerian Society, 1 50, 239, 319, 395 

 If^estminster bridge, how founded, 409 

 IVines. Duportal on, 165 

 f'Vollastnn on crystallography, 131 ; 

 optical improvements, 459 

 IVolves. A table of, 416 

 JVood. On distillation of, 4«2 

 fVnod's improved grindstone, 262 

 H'iiol. On dyeing, 175,178,181 

 f-Vright on oratory, 251 

 fVye river described, 982 



END OF THE THIRTY-NINTH VOLUME. 





Pnitid by kichufd Taylor and Co., Shoe Lane, Lvndort. 



1, ■ C-r.-j;j „v- > 



