332 



INDEX. 



Alhazen, Density of Atmosphere, 

 Nature of Vision, Optics, Re- 

 fraction, Retina, 35 ; Atmospheri- 

 cal Refraction, Capillary At- 

 traction, Centre of Gravity, 

 Convex Lens, Gravity, Height 

 and Weight of the Atmosphere, 

 Hydrostatics, Twilight, Velo- 

 cities, 36; Hydrometer, Physio- 

 logy, Specific Gravity of Liquids, 

 Tables of Specific Gravity, 37; 

 Doctrine of Evolution, 37. 



AH, 29. 



Al Idrisi, Geography, Globe, 41. 



Alkalimeter, 232. 



" Almagest," 40. 



Al Mamun, 29 ; Obliquity of the 

 Ecliptic, Degree, 33. 



Al Mansor, 29. 



Alpinus, 63, 97. 



Altitude of Mountains, 203. 



Ambrosius (Bishop), 51. 



America, 282. 



Ampere (Physicist), 283 ; his Rule, 

 231 ; the Founder of Electro- 

 dynamics, 231 ; his Law, 232. 



Analysis, Chemical, 210, 242. 

 Five Methods of, 248. 

 of Orbits of Planets, 212. 

 Qualitative, 249. 

 Quantitative, 249. 

 Spectrum, 210. 



Analytical Functions, 194. 

 Geometry, 193. 

 Mechanics, 195. 



Anatomists, Discoveries of, see 

 Discoveries. 



Anatomy, 22, 27, 38, 57, 60, 62, 63, 

 96,116,269; Def. of, Appendix AA. 



Anaxagoras, 9. 



Anaximander, 8. 



Ancestry of the English People, 283. 



Ancients (The), our Juniors by 2,000 

 Years, 18. 



Angilbert, 47. 



Animal Electricity, 224. 



Animals and Plants of Egypt, 41. 



Anquetil Duperron [Philologist], 

 152. 



Anthropologists, Discoveries of, see 



Discoveries. 

 Anthropology, 148, 276 ; Definition 



of, Appendix AA. 

 Antiquity, Drawbacks to Science 



in, 15. 



of Man, 1 1 6, 129, 130, 

 142, 146-149, l6 7> 170- 

 Political Economy in, 1 7. 



Science in, 15. 



Antonio de Dominis, 59. 

 Apollonius, 24. 

 Apparatus, 38 ; Calculating, 192 ; 



Ringing, 240. 

 Appendix A., Eminent Men of 



Science. 

 AA., Definition of the 



Sciences. 



I., Aristotle on Ex- 



perience. 



II., Aristotle on In- 



duction. 

 III., Aristotle on the 



Syllogism. 



IV., Leonardo's Physics. 

 V., Brewster on In- 



duction. 



VI., Descartes' Achieve- 

 ments. 

 Apsides, 25. 

 Aquapendente (Fabricius ab), 56, 



96. 



Aquinas (Thomas), 65, 90 (note). 

 Arabian, Arts of Life, 31 ; Astro- 

 nomy, 33 ; Chemistry, 37 ; Chi- 

 valry, 31; Cities, 29; Civilisation 

 (Grandeur of), 29 ; College of 

 Music, 31 ; Commerce, 32 ; Con- 

 tributions to Progress, 43 ; Dis- 

 coveries, 46; Horses, 31 ; Houses, 

 32 ; Industry, 32 ; Intellect, 29 ; 

 Libraries, 43 ; Men of Science, 

 43; Merchant Navy, 31, 32; 

 Palaces, 32 ; Physicians, 38 ; 

 Policy, 29 ; Positive Philosophy, 

 42 ; Practical Science, 40 ; Re- 

 venue, 32 ; Trade, 32 ; Wealth, 



32- 

 Arabs, 283. 



