INDEX OF TECHNICAL TERMS. 



ABERRATION, b. 264 



Absolute and relative, a. 50 



Accelerating force, b. 30 



Achromatism, 6. 397 



Acid, c. 125 



Acoustics, b. 323 



Acronycal rising and setting, . 158 



Action and reaction, b. 59 



Acuation, c. 123 



Acumination, c. 221 



Acute harmonics, b. 348 



/Etiology, c. 528 



Affinity (in Chemistry), c. 129 



Affinity (in Natural History), c. 388 



Agitation, center of, b. 82 



Alidad, a. 245 



Alineations, a. 205, 211 



Alkali, c. 125 



Almacantars, a. 245 



Almagest, a. 227 



Almanac, a. 245 



Alphonsine tables, a. 239 



Alternation (of formations), c. 590 



Amphoteric silicides, c. 281 



Analogy (in Natural History), c. 



388, 390 

 Analysis (chemical), c. 123 



(polar, of light), b. 420 



Angle of cleavage, c. 227 



incidence, b. 374 



reflection, 6. 374 



Animal electricity, c. 80 

 Ani'on, c. 185 



Annus, a. 125 

 Anode, c. 185 

 Anomaly, a. 172, 176 

 Antarctic circle, a. 157 

 Antichthon, a. 72 

 Anticlinal line, c. 588 

 Antipodes, a. 253 

 Apogee, a. 184 



Apotelesmatic astrology, a. 317 

 Apothecse, c. 300 

 Appropriate ideas, a. 81 

 Arctic circle, a. 157 

 Armed magnets, c. 53 



Armil, a. 214 



Art and science, a. 358 



Articulata, c. 492 



Artificial magnets, c. 54 



Ascendant, a. 316 



Astrolabe, a. 216 



Atmology, b. 518, 556 



Atom, a. 64 



Atomic theory, c. 1 62 



Axes of symmetry (of crystals), c. 



236 



Axis (of a mountain chain), c. 588 

 Azimuth, a. 245 

 Azot, c. 146 



Ballistics, 6. 98 

 Bases (of salts), c. 127 

 Basset (of strata), c. 548 

 Beats, b. 335 



Calippic period, a. 143 



Caloric, b, 526 



Canicular period, a. 134 



Canon, a. 185 



Capillary action, b. 115 



Carbonic acid gas, c. 146 



Carolinian tables, a. 457 



Catasterisms, a. 206 



Categories, a. 288 



Cathion, c. 185 



Cathode, c. 185 



Cation, c. 185 



Causes, material, formal, efficient, 



final, a. 57 



Centrifugal forces, b. 37 

 Cerebral system, c. 467 

 Chemical attraction, c. 127 

 Chyle, c. 448 

 Chyme, c. 450 

 Circles of the sphere, a. 153 

 Circular polarization, b. 423, 482 

 Circular progression (in Natural 



History), c. 388 

 Civil year, a. 132 

 Climate, b. 531 

 Coexistence of vibrations, b. 349 



