(2035) 
PHILOSOPHICAL 
TRANSACTIONS. 
September 11. 1670. 
■ ~ " ' The CONTENT 
the^CmhuathH^f the Exptr'fmgnts t9mefniMgKe(fi's,t'\onyprmifediH the precehut X^et^a 
and communicated the fsme Noble uthor^in X^nother Titles \ vix. Of th Accidents, thai 
happened te Jnimalsin Air, hrought t9 a Conftdernble degree of HarefaBiofi ; To which is aH" 
Hex*d aJigfJ/iw Experimem coticerning R^efpir^t cm upon very high Mount. ms^. Of the Obfif» 
1/ations produced in an Anim il h Changes as to R..^rity and Benfity made m the felf- fame Ain 
of an unfncceffull Attempt,to prevent the Neceflity ef Rjef^irationby the BrJuBon of GrowtU 
of Animals inth^^y^cuum Boy \\3Lnum % tog-ther with two dgrefRve Experiments concerning 
tH Expanf&n ofB^end, and ether tnimal juyces, as aljo other foft parts^even in cold Animals^ 
0} p(mer 0/ AiTiiefa<9:lora toentbh An mals to h&td out in A vy by rarefadion made unfit for 
Sjfpiratton Some Experiments fltewing, that Air, become unfit for Kefpiration, may rnainm 
wonted P^effme. Of the nfe of the Air toekvate the Steams of Bodies. Of the long continuam$ 
of a Slow worm and a \.&tch.al'ive m the VKi'Um. Of what happen d to fome Creeping 
Infeds ; and of the Phenomena Juggefied by Winged Inl'-ds \n the fame» Of the Vcceffitf 
of Air to the motion of fuch fm^tUereatures.as Ants.and evenMitcsthemfehes, An Accemjf 
of two BQoks : !• tKACTS written by th Houour able K.ob. Boyle, concerning Cofraical 
9H*'tti s \ Subterr neai and Submarine [Legions ; the Bottom of the Sea? together with 
aftinroduBioH to the HSory •/ parricular ^^lities> 11. CATALOG V S BLA UtA- 
^M^VM AlUGtl^y oper i }ohmnhKst)\,M Aj S0€,Xegia» 
A Preface concerning thefc Experiments. 
though to /hun pr<d!x'ty,thel*rt\'ac&,whi(h the Author had ryiade to aR hs wrote ab&ui Refpi^ 
ration, beenpurpofe'y omitted ; y i there are fome few points fo ncejfary tobe tal^en notice 
iwfythat 'tis thought unfit t9 le -ve them ^ho y umouch' d for, the follow ng Experiments hi* 
ling not at firsl writien for tht Prejs^and thrown by for many years. till they were very haSitly ga-^ 
'jtherd together ^and in iome places fuppyd with others, little lefs hafhly a*inex*d to mal^e fom§ 
necejf^ry fupplys the R-ader muSi not expe^ in fuch a Cafuall TtSid: (which the Author cotf- 
fejfs to be one of the mfBimperfeB and immethbdic ^ill of all h s compo[ues)any thing im ^Qvd" 
ty iand t uth ,and an Earned di fire to be fetv ceable in an Inqt^iry fo important t9 Mankind ^ ts 
the CurioHs in gemral.and elpeciAiy to Phyntians, who by the incourag ng mention they have 
made of his former endeavours m th's kind-,have tnvited him to add theje many new Experiments 
to thcfe jiw they had hitherto exerc'tfed their Wits upon ; And, to have them the more freedom t» 
do fo,he purpofely forbore to confirm,or confute any Hypothefis,or jo much as propofe any of his 
own'\declaring it to be his Aimeynot to efpoufe or ma^e a party^but to communteate to the Carious 
feme matters of h^^hat are new ; and in au hifs^ricaliuay impartially delivered, N.9 mon 
•/Preface is now to be added, but that 'tis thought fit, for prevention of Ambiguity, to give th^ 
idvertifement touchingthe gfound of the Title 0/ Vacuum Boylianum, to be met with in thje 
'Experiments 5 l^^f as Learned mm,both Englijh and Eorreigners, in their writings have fami- 
arlyfor di^inBion fake tmploy'd the Titles o/'Machlna Boyliina,/s«/^ Experimcnta hoy liana? 
fo the Authot,that writ thefe.for themoB part mhaSl,and for his own memory jdid for dfpatch 
fake^caU the ah fence of the Air procured in his Keceivers, our Vai uum whence by Analogy was 
fram*d the VacuumBoyUanum^which he therefore thinl^f the lefs improper, becaufe to call it 
yacuiim.abjolutely, would be judged by many a declaring himjelf a Vaculft,'zy^0^(9«/ not yet own 
the being either of thvir opinion fOr a downright Mcniii 'y or elfe he mufi be trouble fome to the 
R.eader and himjelf jby frequently explaining, what fort of Vacuum he under Bands; whereas 
he declares once ferali, that by the Vacuum Boylianum/;^ means fmh a Vacuity or Abfenceof 
Cmmon hfr^atii won,t to be efftBedor pvsdus d in the oper.atims of the M achina Eoyliana, 
X.. Th^ 
