they did, when it 



another portion. 

 6. Thereafon of the vtri 



lours in generall, by pure light ^ 



tafflnf through a prifme. 

 - Upon what fide every colour ap- 

 '' tears that is made by pure light 



pajjlngthroughapnfme. 



CHAP. XXXI. 



A Table. 



2. The Authors opinion touching 

 fenfatton. 



g. Reaftns to perfwade the c>^#- 

 t hours opinion. 



q. That vttall jpirits are the im- 

 mediate inftruments of fen fat ion 

 by conveying fenfible qualities 

 to the brain. 



j. How found it conveyed to the 

 brain by vitallfpirits. 



The caufes of certain appearances 

 in luminous colours; with a con- 

 clufion of the difcourfe couching 

 the fcnfes & the fenfible qualities 



, . The reafon of etch fever all co- 

 lour tn particular cattjed by 

 livht paffingthroughaprijme. 



2. A difficult probleme refolded 

 touchingtheprtfme. 



, Of the rainbow,and how bj the 



'' colour of any body,ve may knov 

 the compofition of the body tt 

 r if 



That all the fen^le Dualities 

 are reaft bodtes refulting out of 

 fever Att mixtures of rarity and 

 denptie. 



xumber: with a conclon of all 

 the former dtfrine concerning 

 them. 



CHAP. XXXII. 

 Of fenfation.or the motion where- 



by fenfe is properly exercifcd. 

 i. Afonfteurdes Cartethh t opinion 

 touching fenfattoff. 



6. HOT* colours are conveyed to the 

 brain by vitall tytrits. 

 T^eafons againjt Monjteur des 

 Cartes his opinion. 



8. That thefymptomts of the pal- 

 jte, do no way confirm (JMonfi- 

 eur des Cartes his opinion. 

 That (JMonfieur des C" rtes *>** 

 opinion, cannot give a good ac- 

 count,how things are conferved 

 in the memory. 



CHAP. XXXIII. 



Of Memory. 



How things are conferved in 

 the memory. 



How things conferved in the 

 memory are brought backjr.t* 

 the phaxtafic. 



, ts* confirmation of the former 

 dottrine. 



How things renewed in the 

 phantafie, return with the 

 fame circum fiances that they 

 had at fir -ft. 



. How the memory ofthtngs pa ft. 

 is loft-> or confounded : and how 

 it is repaired again. 



