(66 f} Numb.jj. 
PHILOSOPHICAL 
TRANSACTIONS. 
Monday, May, 18. 166$. 
The Contents. 
An Account of an Experiment concerning Deafnefs. A New Dij- » 
cover j touching Ktfion x made in France. Utter written to the 
Pu bit flier concerning jome Anatomical Inv entions and obfefvati* 
0/w 5 &c. Some O bier vat ions concerning the Comet, that, hith 
lately at^f eared in jorrain farts, communicated from Italy and 
Portugal. An Account of feme Books. I. GEO METRICAL 
PARS UNI VERS A LIS-., . jz u ant it alum Cur varum tranjmu- 
tatiom ' & men jura mjeryienSyAmh . fAC. GREG v ORJp 0 Scb* : 
to: where are inferted. jomt remarks, imparted by theftme^ 
Author in two Letters written to a member if -the R. Society, 
II. AN INTRODUCTION to A LGEBR lj tranflated out of , 
High-Dutch into Bnglijh by THO. BRANCKER y M. A. s -much 
altered and augmented by D, P. II LAN. ' MS S AY tcwarfis 4 
- REAL CHARACTER- and a PHILOSOPHICAL LAN- 
GUAGE.by f-OHN W ILK INS, D.D. &c. ; IK,, STANIS- 
LAI Be' LVBIENIETZ THEATRVM COMETICVM, 
mm.'i M \ 0 j idho Bate Lun^Cu $ i U 
- • ■ . •-• • f s v to" J ■ 16 "3 is. (\ b .7... j 
Of an Fxpert&hr^cMsertwg Deafnefs^ emmtmicated to" the R. Society j by 
that ivcrthj am learned Divine Dr. William Holder, as foiioWcth ± 
: 4 ■ ;Ycwg Gentleman, known to d.'vers of the R, Society, was 
• /\ , ;bom>Deafj. -and continued Dumb till his Age of io. or 
..X A it, ye^kSr His iivocher,; when ibe was great with. him, 
• received a fudden fright v by occafion whereof, the child's head 
• aid face wei g a little diftorted, the whole light fide (as X remem- 
! ber) • being.. fome what elevated, .and the. left depreffed j : fo that 
Cccc the 
