158 Mr. Harvey's Obfervations 
the moft fimple and equal percuffion, during par- 
ticular dilations and contractions of the cavities of 
the mouth, regulated by the tongue, (but the lips 
by no means coming in clofe contact, as they muft 
in forming many confonants) which conftitutes the 
vowels. From this, the following axioms may be» 
deduced : ; . 
Firft; that found, propelled during any one, 
uniform pofition of the organs\of fpeech, muft 
uniformly be of the fame fpecies: thus, in pro- 
nouncing A, which, founded as in .war, is the 
deepeft and moft open vowel we have, the element 
is the fame, whether it be founded by a whifper, 
or by the loudeft voice. It is, therefore, this one, 
fimple 
long to be tranfcribed as a note, and perhaps it would not be 
equally interefting to every one to read; but the follow- 
ing fhort relation will fhew how attentive thofe ancients 
were to trace effefts to their caufes (even fometimes by 
means of the very accidents, interrupting their regular 
economy) and thus to enlarge the hiftory of human nature: 
Eidoy O& yoy ol oDdzavres EwiTes, awérawov Tov Od- 
euyle mavrdmesw. sTor Coot pev, Dbeylovra de wdev, 
é: py rig cunadby Tov Dieuyla’ gro dé Obéylovrat. 
dZAov dE uel T8To, Ori TO TvEvMA & SUvaTa O1e TET- 
pypeve Te Adouylog Educ ecw & TH Kotha, MAAD 
vere TO Siererpypévov exmvée  ovTws exer mee 
Qavrs Tras uel dia Agzews. 
Hippoc. weg? ovgudy Edit. Foéfij, 
