INDEX OF TECHNICAL TERMS. 



37 



Quinary division (in Natural History), 



b. 418. 

 Quintessence, a. 73. 



Radiata, b. 478. 

 Radiation, b. 139. 

 Rays, b. 53. 

 Realists, a. 238. 

 Refraction, b. 54. 



" of heat, b. 15a. 

 Remora, a. 190. 

 Resinous electricity, b. 195. 

 Rete mirabile, b. 463. 

 Retrograde motion of planets, a. 139. 

 Roman calendar, a. 123. 

 Rotatory vibrations, 6. 44. 

 Rudolphine tables, a. 270, 302. 



Saros, . 136. 



Scholastic philosophy, a. 230. 



School philosophy, a. 50. 



Science, a. 42. 



Secondary rocks, 6. 513. 



" mechanical sciences, b. 23. 

 Second law of motion, a. 330. 

 Seconds, a. 163. 

 Secular inequalities, a. 370. 

 Segregation, 5. 558. 

 Seminal contagion, >. 459. 

 " proportions, a. 79. 

 Sequels of epochs, a. 47. 

 Silicides, b. 352. 

 Silurian rocks, b. 530. 

 Simples, b. 367. 

 Sine, a. 181. 

 Solar heat, b. 145. 

 Solstitial points, a. 131. 

 Solution of water in air, b, 166. 

 Sothic period, a. 118. 

 Spagiric art, b. 262. 

 Specific heat, b. 159. 

 Sphere, a. 130. 



Spontaneous generation, b. 457. 

 Statical electricity, b. 208. 

 Stationary periods, a. 48. 



planets, a. 139. 

 Stations (of plants), b. 562. 

 Sympathetic sounds, b. 37. 

 Systematic Botany, 5. 357. 



Systematic Zoology, b. 412. 

 Systems of crystallization, b. 328. 



Tables, Solar, (of Ptolemy), a. 146 



" Hakemite, a. 177. 



" Toletan, a. 177. 



" Ilchanic, a. 178. 



" Alphonsine, a. 178. 



" Prutenic, a. 270. 



" Rudolphine, a. 302. 



' ' Perpetual (of Lansberg), a. 302 



" Philolaic, a. 304. 



" Carolinian, a. 304. 

 Tangential vibrations, b. 45. 

 Tautochronous curves, a. 372. 

 Technical terms, b. 389. 

 Temperament, 6. 47. 

 Temperature, b. 139. 

 Terminology, b. 389. 

 Tertiary rocks, 6. 513. 

 Tetractys, a. 77. 

 Theory of analogues, b. 483. 

 Therrnomultiplier, b. 154. 

 Thermotics, 6. 137. 

 Thick plates, Colors of, b. 79. 

 Thin plates, Colors of, b. 77. 

 Third law of motion, a. 334. 

 Three principles (in Chemistry), b 



261. 



Toletan tables, a. 177. 

 Transition rocks, b. 530. 

 Transverse vibrations, b. 44, 93, 101. 

 Travertin, b. 546. 



Trepidation of the fixed stars, a. 179. 

 Trigonometry, a. 167. 

 Trivial names, b. 392. 

 Trivium, a. 199. 

 Tropics, a. 131. 



Truncation (of crystals), 6. 319. 

 Type (in Comparative Anatomy), 6 

 476 



Uniform force, a. 327. 



Unity of Composition (in Comparative 

 Anatomy), b. 483. 



Unity of plan (in Comparative Anato- 

 my), b. 483. 



Variation of the moon, a. 179, 303. 



