t^4l 
Work of his m Latin upon the effeds of the Barome' 
ter, where he explains a Priori thQ equilibrium oi Li* 
quors. I preffed him to publifh this lart, and to finifii 
what he has only begun, I mean his Treatife de villa 
contra&ili contra6lione natnrdi. At Kome^ I favv fome 
Manufcripts of the late famous Borelli at the SchoU 
pi£y where he died. One ot them is a difcourfe c f 
his de voUtPi hominumy wherein by Mccba nicks he pre- 
tends to make up the natural defedts a man has to fly. 
There are alfo many other Academical difcourfts, a- 
mongft the reft one de veterum triremibus^ and a fupple- 
ment to his Book de incendio montis IEtn£. There are 
fome of thefe not perfeded, but that de volatn heminnm 
was fitted for the Prefs, and left out by the publilhers 
of his Books dc motn Animdiumy where the Author in- 
tended jt fliould have been inferted* Some others of 
thefe Academical Difcourfes were by him read in the 
Academy of the Queen of Sweden^ and ready for the 
Prefs. I had almoftr forgot to tell you that I faw at 
Bononia^2i very fine preparation of the Human Organ 
of hearing, where all the parts of the Ear from the 
outward Cartilarge to the place where the Auditory 
Nerves begin to diftribute themfelvesare kept together 
without any reparation 5 the Author thereof Senior 
Valfalva told me he would fpeedily publifti fomething, 
not being fatisfy'd with what is already made publick 
upon that fubjeft* 
Printed for Sam. Smith, and Benj. Watford, Printers to 
the Royal Society, at the Princes Arms in St PaulX 
Cliurch-yard. ijQo* 
