The CONTENTS. 
V. Excerpta ex Epijlola Cl. Viri Joh. Ambrofii 
Beureri ad Petr. Collinfon, R. S. S. de Natura Suc- 
cini. 322. 
VI. An Account of a Book intituled , A Treatife of 
Fluxions, in Two Books, by Colin M c Laurin, 
A. M. Brofejfor of Mathematics in the Univerfity 
^/’Edinburgh, and Fellow of the Royal Society, 
4 *°- in Two Volume s, Bages 76 3 . 325,* 
VII. B)e Calculo pragrandi a Muliere cum XJrina 
excreto Obfervatio \ D ni Antonii Leprotti, R. S.S* 
Pont. Max. Archiat. per Abbatem Didacum de Re- 
villas, R. S. S. ad B>. Smart Lethieullier R. S. S. 
tranfmijfa. 3 63. 
VIII. The Hefcription of a Machine for dr effing and 
curing Batients , who are 'very unwieldy , and are 
tinder the Surgeons Hands for fome Ailment on the 
Back , the Os Sacrum, fyc. or are apprehenfive of 
it. By M. le Cat, F. R. S. Surgeon to the Hotel 
Dieu at Rouan, and Royal Hemonftrator in Ana- 
tomy and Surgery : Ab dratted from the French by 
P.H.Z.F.R.S. 364. 
IX. An Account of a Treatife , (intituled, D. Alberti 
Halleri, Archiatri Regii <& Elett. Medicin. Ana - 
tomia Botan . Breelett. &c. Enumeratio Metho- 
dica Stirpium Helvetia indigenarum. Qua om- 
nium brevis Hefcriptio <& Synonymia, Compendium 
Virium Me die arum, dubiarum Heclaratio , novarum 
& rariorum uberior Hiftona & leones continentur. 
Gottingiae, 1742. in Folio) extratted and tranflated 
from the Latin by William Watfon, F. R. S. 3 69. 
I. Jo : 
ERRATUM. 
N»4^7. p. 1. for Jan. 21. read Jan. 20. 
