Numb. 481, 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Months of 0£t. Nov • and ‘Dec. 1746. 
The CONTENTS. 
I. ExtraBl of a Letter from Mr. Turbervill 
Needham to Martin Folkes, Efq\ Pr. R. S. 
concerning fome new EleElrical Experiments 
lately made at Paris. p. 247. 
II. Via Comets, qui ab Initio Martii 1741. 
ufque ad Initium Aprilis apparuit , ex Obf. 
in Obfervatorio et Coll. Patrum S. Jefu 
Pekini Sinarum habitis deduBu , et fee. 
/Equator em ac Eclipticam , uti et ad pro- 
priam ejus Orbit am fupputata. Cum Soc. 
Reg. communicavit J. Hodgfon, R. S. S. et 
Schol. Reg. Mdthemat. BPreeceptor in iEdibus 
Chrifti, Londini. p. 264. 
III. Of the various Genera and Species of 
Mufic among the Ancients, with fome Ob- 
fervations concerning their Scale \ in a Let- 
ter from J.C. Pepufch, MuJic.D. & F.R.S , 
to Mr. Abr. de Moivre, F.R.S. p. 266. 
IV. Extract of a Letter from Mr. W '. Arderon, 
F.R.S. to Mr. H. Baker, F.R.S. containing 
Obfervations 
