72B 



INDTCX. 



SeinicoDe, I. S9J, 11. 612. 

 Jeraivowels, I. 400, II. 476, 



27r. 

 Seuiple, II. S-Sa. 

 St'iicbier, II. 112, 127,321, 



514. 

 Seneca, I. 238, 253, 472, 

 576, II. I'i4, 337. B. 8, 

 D. 65. 

 Senegal, II. -353. 

 Senguerd, II. 125, 953. 

 Scnnert, 11. 124. 

 Sensation, I. 725. 

 Sensation of colours, I. 



439. 

 Sensation of li|j;lit, I. 409. 

 Sensation of sight, II. 812. 

 Senses, I. 738. 

 Sensibility of the retina, I. 

 450. 



Sensible eftec^s of electri- 

 city, I. 672. 



Sensible effects of the celes- 

 tial motions, I. 523. 



Sensitive plant, 11. 512. 



Sentinel register, II. 192. 



Sepia, II. 313. 



S ptier, II. 159. 



Serain, II. 497. 



Serao, II. ^3. 



Serein, I. 711. 



Serenus,!!. 121. 



Serge, II. 385. 



Series of eclipses, I. 529. 



Series of rods, I. PI. 14. 



Serpent, I, 402. 



Serpentarius, 1. 495, 497. 



Serpentine, II. 4S8. 



Serpents, I. 735. 



Serrati, II. 128. 



Serson's top, II. 137. 



Serum, II. 180. 



Scrvetus, I.'748. 



Serviire, I. PI. 23, II. 125. 



Settingwbeat, II. 212. 



Severn, II. 370. 



Sewing, II. 189. 



Sex of bets, II. 517. 

 Sex of flowers, II. 513. 

 Sextant, II. 351. 

 Scyffer, II. 309. 

 S'Grave.'iande, I. 250, ?53, 

 II. 185, 219. B. 1688, 

 D. 1742. 

 Shadow, I. 467, PI. SO, II. 



348, 641. 

 Shadow of a spheroid, 11. 



S4C. 

 Shadows, II. 313. 

 Shake, II. 550. . 

 Shag, II. 187, 188. 

 Shark, II. 519. 

 Sharp, II. 570. 

 Sharp instruments, II. 209. 

 Shaw, I. 724,11. 499, 503, 



678. 

 Shearing clotlis, II. 188. 

 Shears, II. 199, 208. 

 Slieathlng, II. 2-K), 241. 

 ShcfTield, 1. 24 5. 

 Shehallion, I. 575, II. C64. 

 Sheldrake, II. 450. 

 Shcrwin, II. 117. 

 Shining, II. 414. 

 Ship, 1. 148, 325, PI. 22, II. 



182, 241. 

 Ship bolt drawer, II. 216. 

 Ship building, II. 239. 

 Shipley clmrch, II. 266. 

 Ships, I. 304. II. 172, 242, 



263. 

 Ship's pumps, II. 236, 251. 

 Ship's sails, I. 359. 

 Ship's stove, II. 411. 

 Ship's way, I. PI. 22, II. 



156. 

 Shock of electricity, II. 



424, 520. 

 Shoes, II. 189. 

 Shooting a rope, II. 243. 

 Shooting stars, I. 721, II. 



499. 

 Shore, I. PI. 5. 

 Shores or props, II. 135. 



Short, I. 602. II. 624. 

 Shortest descent, II. 133. 

 Shortest roads, II. 203. 

 Short hand, II. 143. 

 .Shot, I. 351,11.262. 

 Shower bellows, I. 344, PI. 



24, II. 255. 

 Siiower of ashes, II. 494. 

 Shower of dust, II. 493. 

 Shower of insects, II. 



458. 

 Shower of mud, II. 494. 

 Showers of stones, I._719. 



11.501. 

 Shrinkage, II. 390. 

 Shroud, I. 182. 

 Shuckburgh, II. 148, 149, 

 152, 161, 267, 391, 393, 

 S98, 471,473. 

 Shut pipes, II. 266. 

 Shuttles, II. 188. 

 Shwanpan, II. 146. 

 Sicard, II. 278. 

 Sickiiigen, II. 168. 

 Sidereal day, I. 537. 

 Sidereal revolutions, II. 



372. 

 Sienna, II. 501, 674. 

 Sieve of Eratosthenes, II. 



11.5. 

 Sieves, II. 188, 215. 

 Sigaud de la Fond, II. 127, 



416, 437. 

 Sight, II. 312. 

 Sights, II. 286, 823. 

 Signals, II. 143. 

 Signal trumpet, II. 275. 

 Signs of the ecliptic, I. 



504. 

 Signs of the zodiac, I. 



589. 

 Silberschlag, II. 127, 141, 



225, 496, 499. 

 Silk, I. 184,11. 184,217. 

 Silk plant, II. 185. 

 Silk strings, 11. 275. 

 Silkworm's, II. J8-t.' 



.Silkworm's thread, I. 134, 



11.378. 

 Silurus electricus, II. 436. 

 Silver, II. 266, 509. 

 Silver leafj II. 205. 

 Silver plate, II. 209. 

 Silver thread, II. 205. 

 Similar solids, II. 17. 

 Similar triangles, II. 14, 



15. 

 Simontdes, I. 403, 407, II. 

 567. B. 579, D. 469. 

 B.C. 

 Simple fraction, II. 1. 

 Simple machines, II. 1-41. 

 Simple sounds, I. 378. 

 Simpson, 1. 250, 253, 478, 

 483, 700, II. 113, 117,. 

 118. B. 1711, D. 17«1. 

 Sinison, II. 113, 117, 121. 

 Sine, 11. 15, 672. 

 Sine of an angle, I. 106. 

 Sines, II. 122. Sums of 



sines, II. 16. 

 Singing birds, II. 279; 

 Single authors, II. Itl. 

 Single vision, I. 453,. II. 



S13. 

 Sinking of earth, II. 495. 

 Sinkiug of ground, II. 498.. 

 Siphon, I. 282, II. 196, 221, 



238, 245, 251, 380. 

 Siphon of Hero, 1. 188.. 

 Siphons, 1.316. 

 Sirius, I. 492,493,497,11. 



330, 680. 

 Sisson, I. 602, II. 148. 

 Sistema participato. If; 



554. 

 Situations of places, II. 



364. 

 Six, I. 701, II. 447. 

 Six's thermometer, I. C96, 



PI. 41,11.388. 

 Sixth in music, U. 571. 

 Size, I. 96, 187, II. 187. 

 Size for cotton, II. 185 



