384 



INDEX. 



experiments from which the table 



was made, 130 ; cautions and ob 

 servations, 131. 

 Matter, whether there be other masses 



of solid, besides the earth, opinion 



of Gilbertus, 182. 

 Matter, bodies distinguished according 



to quantity of matter they contain in 



a given space, 125. 

 Mechanical things, the study of, 123. 

 Moon, opinion that it is composed of 



solid matter, 183. 

 Moon, substance of, 183. 

 Moon, mass of, projected by Gilbertus 



and examined by Galileo, 183. 

 Musical instrument played on by the 



rays of the sun, 149. 



NATURE, thoughts and observations 

 concerning the interpretation of, 16. 



Nature, only conquered by obeying, 

 35. 



Nature, the principles and origin of, 

 according to the fables of Cupid and 

 Heaven, 44. 



Nature, interpretation of, 230. 



Nature, hints on the true interpretation 

 of, 106. 



Nature, legitimate interpretation of, 

 in the first ascent, should be kept 

 separate from works, 222. 



Natural Philosophy, causes which 

 have retarded its progress ; its having 

 become merely a passage to other 

 arts, 20; superstition, 20 ; customs 

 of universities, schools, and colleges, 

 21 ; causes arising from the common 

 feeling of men, 22; the vagueness 

 of words, 23 ; false promises held 

 forth by some of its professors, 24 ; 

 the rejection of particulars, 24. 



Natural history of things individual, 

 152. 



Natural History, division of, accord 

 ing to its subject, 1 53. 



Natural History, division of, accord 

 ing to its use, 155. 



Natural History what the noblest 

 end of, 155 ; a true one wanting 

 and of what kind it ought to be, 155. 



Natural Philosophy, new systems of, 

 those of Telesio, Fracastoro, Cardan, 

 and Gilbert, 27. 



Natural Philosophy concerning those 

 systems which are received, and 

 those which have come to us from 

 ancient limes, 25. 



OIL, mode of expansion of, and phe 

 nomena attending the boiling of, 146. 



Optical instruments, the benefits which 

 the world is likely to derive from 

 their invention, 160. 



PLATO, remarks on his system of Na 

 tural Philosophy, 26. 



Plato subjected the world to his con 

 templations, 50. 



Plato, his works do not breathe such 

 living observations of manners as 

 the works of Tacitus, 102. 



Platonic school and Patricius, what 

 they have said concerning the 

 heaven of heavens and pure space, 

 mere figments, 171. 



Particular objects, their investigation 

 not an endless task as that of 

 opinions and disputes is, 125 ; nor 

 derogatory to the human mind, 125. 



Parmenides, the philosophy of, as ex 

 hibited in the fable concerning 

 Cupid, 44. 



Pensile, whether solid globe can remain 

 so, 185. 



SATURN, Jupiter, and Mars, the four, 

 and order of them, 170. 



Sea, ebb and flow of, 192 ; motions of, 

 are only five, 192 ; the great six- 

 liours diurnal motion principally 

 treated, 192; motions of currents do 

 not contradict the notion of a natu 

 ral and catholic motion of the sea, 



193 ; grand diurnal motion not one 

 of elevation or depression, 194 ; 

 elevated all over the world at equi 

 noxes, and at the new and full moon , 



194 ; objections to the opinion that 

 the diurnal motion is a progressive 

 one, from the fact that in some places 

 wells have simultaneous mot ions with 

 the sea, and from the fact that waters 

 are raised and depressed simulta 

 neously on the shore of Europe and 

 Florida, considered, 195, 196. 



Sea, ebb and flow of, from what cause 

 it arises, 197. 



Sea, whence arises the reciprocal ac 

 tion of tides once in six hours, 204 ; 

 explanation of the difference of tides 

 connected with the moon s motion, 

 205. 



Scientific efforts, remarks on the com 

 bination and succession of, 119. 



Simulatione et dissimulatione, de, 260. 



Small trivial things, the consideration 

 of, not below the dignity of the 

 human mind, 125. 



Spirits of wine, concerning the mode 

 of expansion of matter in, 148. 



