^latiduh ThyroUe^, ( who being harder and of a more' 
Volid fubftance tlian other glands, give Iboner a ftop 
to the Lym^hit Lenta & Vifcida) is the occafion of this 
iumonr always beginning and fettling there. Dodor 
Wharton Adenograp. Cap. XVIIL has taken notice of 
that difference of fubftance. ^oad C^rneam earum 
("Thyroidearum ) fubjiantiam^ ea multo magis fanguima 
ejiy quam cujiifvis alius gUndftU^ vifcidior qHoque^folidi- 
or^ ac fimilior Carni Ts/iufof^. Hoc folummodo ifiterefl 
quod non jit fibrofa^ fed potius glutinofa^ quo nomine par- 
tes ejus fir miter inter fe coherent y €^ cultello quoque inter 
fecandum multum refijiunt. I give you only this as a 
Conjefture of mine, and leave it to your Confiderati* 
on. lam, 
Sir, 
London, Gftob. 15. 1700* 
I lend you herewith forae NaturalCuriofities I brought 
with me ixom Italy, iot the Repofitory of the R. S, 
Terra foliata Bituminofa. P. Boccone. 
Tiiis Earth comes out of Sicily. It had a very ftrong 
Bituminous fmell, when it was firft given me. ^ but be- 
ing kept in a box with other Drugs, it has almoft loft 
its fcent. 
V 
Lapis Bezoarticus fojjilis Siculus P, Boccone, 
Gummi Sumach. 
This was fent from Palermo by F. Boccone, who 
believes it is not to be found in Italy* He wrote that 
they made a Cerat with it very good for Ruptures. 
Sal Montis Vefuvii. 
This Salt is found in pretty large Lumps after 
Mount 
