INDEX OF TECHNICAL TERMS, 



Aberration, a. 464. 



Absolute and relative, a. 69. 



Accelerating force, a. 326. 



Achromatism, b. 66. 



Acid, b. 263. 



Acoustics, 6. 24. 



Acronycal rising and setting, a. 131. 



Action and reaction, a. 343. 



Acuation, b. 319. 



Acumination, b. 319. 



Acute harmonics, b. 37. 



.Etiology, b. 499. 



Affinity (in Chemistry), b. 265. 



" (in Natural History), b. 418. 

 Agitation, Centre of, a. 357. 

 Alidad, a. 184. 

 Alineations, a. 158, 161. 

 Alkali, b. 262. 

 Almacantars, a. 184. 

 Almagest, a. 170. 

 Almanac, a. 184. 

 Alphonsine tables, a. 178. 

 Alternation (of formations), b. 538. 

 Amphoteric silicides, 6. 352. 

 Analogy (m Natural History), b. 418. 

 Analysis (chemical), b. 262. 



(polar, of light), b. 80. 

 Angle of cleavage, b. 322. 

 incidence, b. 53. 

 " reflection, b. 53. 

 Animal electricity, &. 238. 

 Anion, b. 298. 

 Annus, a. 113. 

 Anode, 6. 298. 

 Anomaly, a. 139, 141. 

 Antarctic circle, a. 131. 

 Antichthon, a. 82. 

 Anticlinal line, b. 537. 

 Antipodes, a. 196. 



VOL. 1. 3 



Apogee, a. 146. 



Apotelesmatic astrology, a. 222. 



Apothecfe, b. 366. 



Appropriate ideas, a. 87. 



Arctic circle, a. 131. 



Armed magnets, 6. 220. 



Armil, a. 163. 



Art and science, a. 239. 



Articulata, b. 478. 



Artificial magnets, 6. 220. 



Ascendant, a. 222. 



Astrolabe, a. 164. 



Atmology, 6. 137, 163. 



Atom, . 78. 



Atomic theory, b. 285. 



Axes of symmetry (of crystals), b. 327 



Axis (of a mountain chain), 6. 537. 



Azimuth, a. 184. 



Azot, b. 276. 



Ballistics, a. 365. 

 Bases (of salts), b. 264. 

 Basset (of strata), b. 512. 

 Beats, 6. 29. 



Calippic period, a. 123. 

 Caloric, b. 143. 

 Canicular period, a. 118. 

 Canon, a. 147. 

 Capillary action, a. 377. 

 Carbonic acid gas, b. 276 

 Carolinian tables, a. 804. 

 Catasterisms, a. 158. 

 Categories, a. 206. 

 Cathion, 6. 298. 

 Cathode, b. 298. 

 Cation, b. 298. 



Causes, Material, formal, efficient, fi- 

 nal, a. 73. 



