(581} Nmnkit^:. 
PH ILOSOPHICAL 
TRANSACTIONS. 
Monday, Januarys. 166^ 
The Contenrs. / 
NEW Experiments^ to the nt^mher of i6y concerning tht Melatio^ 
ifetiveen\L\%ht and Air (in Shining Wood W Fifh^ ) JJjem- 
ingj^lhatthe withdrawing of the Air from thofe and t^he like Bo- 
dies^ extinguish' s their Lights srd the Re-admifion of Air re- 
fioresit. AnJccotmoftmBooks : I. PATHOLOGliE CE- 
REBRI & NERVOSKiENERiS SPECIMEN : mqao 
agiturde MORBIS CONVULSIVIS & SCORBUlO, 
■ftadio THOM^ WILLIS M. D. IL ALPHABETVM 
NATVRiE. Auttore F. M B. V, HELMGNT. 
New Experiments . 
Concerning the Relation ktmen Light and Air {in Shining Wood 
andFj/ht,) made by the Honourable ROBERT BOTLB^ and. 
h] Him addreffed from Oxford to the Pablilherj and fo commit- 
nicated to the ROYAL SOCIETT. 
SIR, 
TO perform no^ the promlfe I made you the ether day, Imufi acquaint you 
"with what will perhaps fomeyvhat furprifeyou, by giving you an Account 
of 'what I tried on Tuefday night laft (0(^ob. 29. 1667.) and. he two or three 
following nights^ uboutthe Relation between Air and Light, as this is to be 
found in fome Bodies. 
The Occafton of thefe Trials was this. Having, as you know, long fince made 
fome Notes, chiefly Hifiorical, upon particular Qualities, and finding Light to 
he (ho-wjuftly^ I now difpute not) reckon d by the generality of P I 'I'fofhers among 
Qualities, I hudled together what Obfervations J had either indde rny felf, or 
received from fvme Ingenious Travellers (to whora I recommended ?nj In^ /dries) 
about Shining Bodies And had alfo prepared fe'Veral Trials about th:?n^ to 
he made V^hm IfhouldhaVi opportunity andrequifite Inflrmmrs to put there in 
Ppp " praliife^ 
