C 45* ) 
an Experiment of the Injeftion of Mercury into the Bloody 
and its ill effetls on the Lungs : as it was communicated to 
the Royal Society, by their late worthy Member A. Moulin, 
M.D. (9.) An Account of a Book ; Medicina Hydroftatica 
or Hydroftaticks applied to the Materia Medica, fhewtng 
how by the weight that divers Bodies ufed in Fhyfick have in 
Water, one may difcover whether they be Genuine or Adul- 
terate $ By the Honourable Robert Boyle , Fellow 
of the Royal Society. London. Ottavo. 1690. 
Advertifement. 
TH E Publication of thefe Tranfa&ions having for 
(bme time paft been fufpended, chiefly by reafon 
that the unfetled pofture of Publick Affairs did divert 
the thoughts of the Curious towards Matters of more 
immediate Concern than are Phyfical and Mathematical 
Enquiries,fuch as for the moft part are the Subje&s we treat 
of, with exclufion to many others wherewith the forein 
Journalift ufually fupply their monthly Trafrs : Thefe 
are now to Advertife, that for the future the Royal Society 
has commanded them to be Publilhed as formerly, and 
if poffibly Monthly. And all lovers of fo good a Work are 
defired to contribute their Difcoveries in Art or Nature, 
addrefling them as formerly to Mr. H. Hunt at Grefham 
College, and they fhall be inferted herein, according as the 
Authors ftiall direft. 
