r 217 3 
“ St. Jerom, in his Epiftle to Leeta, writes, A 
“ few Years ago, your Cozen Gracchus , a Name of 
“ ‘Patrician Quality, when he was Prxfed of the 
“ City, deftroy’d, broke, and burnt the Cave of Mi- 
“ thras.” This was at Rome, and about the Year 
378. Not long after, we may well imagine, your 
Roman Prxfed of Tork followed his Example, and 
demolifhed the fubterranean Temple in Micklegate ; 
where this Sculpture of him was found. 
Stamford, July 30, 1747. ^ M. STUKELEY. 
VII. Part of a Lettet * from James Mounfey, 
M. D. Phyftcian to the Czarina’* Army , 
to Mr. Henry Baker, F. R. S. concerning 
the Ruflia Caftor, the Baths at Carlfbad, 
the Salt-mines near Cracau, and various 
other Notices. 
Head Nov. 23. 
, 7 + 9 * 
I 
‘Dear Sir , Ri s a > l > *749* 
AM highly fenfible of the Honour the 
Royal Society does me, in taking No- 
tice of what I communicated to you, and onlywifh 
I were as capable as I am zealous to contribute any 
thing that might be fatisfactory and acceptable to 
that illuftrious Body, for which I have the greateft 
Veneration. 
I cannot as yet perfectly anfwer your Enquiries 
concerning the Rujjia Caftor which is not all from 
the fame Animal, fome of it being the Proftatre , 
Te/ies, and Kidneys of the Beaver, gathered in the 
Spring ; but the true Sort comes from quite a different 
E e Creature, 
