PHlLOSOPHfGAL 
TR A N S ACTIONS. 
June, 1 
9. i6yi^ 
The CONTENTS. 
CHi ipHf Rei^.tien of a SalfianCe fouifd ir. great cj'.iAr.tltics info/re 
Aii»es cf luly , out cf -nhichis made a k^nd'of IncemhKftihle i^oth 
Ski^i Paper, and Carra/e- nee Some Experiments fl>erfi^g the dif- 
ference of ict rr.ade withoDt y^iV, frgm that which is prodficed wuh 
-Apr, Extra^j if three Letters ■ one, concerning fame P hilofophical 
inquiries ahnt Spiders ^t6get her with a Table 3 3 forts ofSpide> s' 
$0 ke feundin England as alfc of aktndof Viviparous Fl): The 
fccond , ahom an InfeU: feeding upon Henbain , and thereby oha- 
ilfp^^ ?V; its hody the horrid frrell of that Plant ^ and alteri g it to 
an ji^oivatical and agreeable one : The third, contJiir.ing forK'tf Ob- 
Jet vat ions cf Glow* worms* jin Acc»mpt of foms Bcrk^ : 
''i.'Cf the VSEFVLNESS of E X P E R I M E N- - 
r J L N A TV R ^ L P HILO SOP HT , the Se-^oni 
Tome , b)' the Honourable KbhcrtBoy]^. 11. Enchiridion M E- 
TJPPirsr:VM, fvede REBVS JNCORPOREIS D jert.u 
$lo,per H . M . CantahrtglenfewA \ I . Dioph^nt i /flexand^ ini A ii ITH- ' 
METICORVM Librifex, curnComn}emarlj4 C G. Biicheti & 
Ohftrvationihv^s D. P. de Format, annexo Doclr'vA^ AN A LY- 
TIC^ Pfivento novo. I V. Prodromus of a Dijfertation roV- 
cerning a SOLID naturally contained in a SOLID, Nicol. 
Steno* V. RofetHm CEOMETRJCVM Tbomae Hobbc* 
■Malmeshfirie'ifts. An Advenifement concerning an^h^'x^ ^ 
f refji on of VizruY ins. 
A CfiripHS Relation, taken om the third Venetian Journal dc Let- 
terati'^ oj* March 15. 1671 • Of a Sfrbfiance f^pind in great quan^ 
tJties in fome Alines oftxxl y ^ out of which is made a kind of incerh'- 
huflihle both Skin, Paper ^and Candle week^^ together mth the Ex- 
periments made therewiih. - 
S IgnoT A/arcQ Antonio C^/^^w^, Superintendent fsf 
fome Mines \\\I:aly^ hath lighted in one of them u p- 
on a great quanticy of that Lanuginous Scone,call d 
Amianthus j which he knows fo to prepare^ as to render 
D d d it 
