103
L I B E R S E P T I M U S .
Hac ipfa, fed {uberabitur, longeque reced it.
Non permixta dabunt gemina , atque reaualia fila
Scilicet ulla tibi candorem ; frontibus at quae
Orbe fuper dilhint adverlis , edere certe
Hunc debent ; mediam fiquidem gravitatis eorum 2x20
Orbe coit medio ; & viola: lux mixta rubore
Elicit haud ullum septeno ex ordine fucum;
At diverlus ab his prodic; tamen ar te , ncccfte e f t ,
Quam doceo , hac ipfa c feptenis prodeat unus .
Scilicet hic ratio fallax eft, cretcra tu t a .
2125
Jam 1 mens rebus in his cum tot tua per rationes
Undique , totque tui fint per tentamina fenfus
Dedudti , neque jam feptenis efte repugnes
Implexos radios filis , vis atque potcllas
Qucis alia , atque alia eft longe > naturaque dillans , 2,130
Qurelibct at nullis rebus variata , modifquc ,
Nullas pafta vices , nulla mutabilis arte ;
Tu facile hinc vario cur fint imbuta colore
Corpora, quxmi e fiuo , cognofces . Qorpora certe
Omnigenam excipiunt filo fcptcmplice lucem;
2135
At non omnigenam revomunt, non fila remittunt
Omnia. Septenis jaciant
ex omnibus unum
Si filum, haud alia perfundi luce coloris
Apparere , nili hac , poftint *, cum plura repellunt,
Vi majore quod e l l , atque uberiore rcpulfum >
2140
Imbuit; aut fi vis judis eft pluribus requa ,
Ille color, oui fit mixtis his plur ibus , ex i t ,
<
i r -
cadet in a l t e r u m c b i n i s a r c u b u s a d
cos colores p e r t i n e n t i b u s , Sc r a
m en color c o m p o f t i u s e r i t n o v u s
quidam d i v c r f u s a b e o r u m u t r o q u e .
i C o n f i r m a t a j a m t o c e x p e r i m e n
tis n atu ra
l u m i n i s , & c o l o r u m
p r im ig e n io r a m ^ a c e x j .o f it a r e g u l a ,
cujus ope e r u i p o f i i t c o l o r c o m p o *
ficus a p lu r ib u s c o l o n b u s f i m u l c o n .
jun<ftis,& p e i m i x t i s , t r a n f i t a d r e d
dendam r a t i o n e m c o l o r u m n a t u r a
lium , q u ib u s d i v e r f a c o r p o r a s e p a
rent im b u ta . V b i r a d iu s i n t e g e r a l
bus cum fili'; o m n i b u s c o l o r u m o m
nium a p p e llit
:\A
c o r p u s q u o f i ^ i a m ,
t u r a b i p f o , n ifi id fit a l b u £ j ' . S i
id r c t i c & a c fila u n i u s c o l o r i s t a n - .
t u m n i o J o c u j u f c u m q u c 5 a p p a r e
b i t i m b u t u m c o i p f o e o i o r e : < ju o d
fi r c f l c d l a t p l u r a n l a p c n i n e n t i a a d
p l u r e s e o i o r e s > e x h i b e b i t i n t u e n t i
i l l u m c o l o r e m , q u i o r i t u r e x o m
n i u m r e f l e x o r u m m i x t i o n e . H u j u s ,
m o d i t h e o r i a m c o l o r u i n n a t u r a
l i u m d e m o n f t r a t in i i s , q u a e h i c
c o n f c q u u i m K , e x h i b i t u r u s a l i b i r a .
t i o n e m , c u r id i p f u m a c c i d a t , u t
a lia c o r p o r a a lio s c o l o r e s r e fle < fla n t
a l i i s a b f o r p t i s , q u o d n o b i s o c c u r .
r c t fiuo l o c o .
