[ 'M.h 
down the Aorta . 1 observed one of tlie fejniJunar 
- Valves of the Aorta beginning to grow bony. 
There were Jikewife found very great Tolypi in 
tljie Right and Left Cavities of the other Heart, of 
the fame Colour, Eirmncfs and Tenacity, but not 
altogether fo large j and they refpeCtively branched 
their Appendices a great Way into the Pulmonary 
Artery, Aorta , &e. ■ 
More of the .Sailors dying in, ^hc very fame way 
foon after, the Thorax of another was opened, that 
of a young Man about Twenty. In the Right Au- 
ricule and Vcntricule of his Heart was found a large 
tough fubrubicund Toly pus y, not quite fo white as 
thqfe mentioned before but. there was .no fuch.Co.n-. 
ere t ion in the Left. • 
Now though Kerlyrmgms, .and, others baye endea- 
voured to explpdb the Notion of the Formation' of 
true Tolypi in the Heart and Blood-vcfiels 5 yet Mal- 
pighius Bartholme , Tulpius , Techlin , and others, 
have given us inconteftable Inftances of the Exigence 
of tru z Tolypi in the Heart, in the ftricteft Senfej 
anni; you’ ha^c here Three unqueftionable Evidences 
of the like Nature: Such, indeed, efpccially the Two 
former, as I never have before met with amidft the 
very numerous DifleCtions 1 have been firft and lad 
prefent at. 
Before I conclude this, it may not be amifs to men- 
tion, that I had the firft Lieutenant and Purfer of the 
"Dunkirk under my Care in very fevere Tleuro - 
peripneumonies , whole Blood was as vifeid as I ever 
law 5 and they were with very great Difficulty faved, 
nqr.copld they be brought to expectorate till the 
Seventh Day of the Fever. 
R 2 
It 
