[ 233 3 
Received February 7, 1770. 
XXII. A Letter to Dr. William Watfon, 
F. R. S. giving fome Account of the 
Manna 'Tree , and oj the Tarantula : By 
Dominico Cirillo, M. D. Profejfor of 
Natural Hiftory at the Univerfity of 
Read 
i 7/0 . J~\ warm Neapolitan climate feemed 
to engage your curiofity, to know the particular fails 
relating to fome of them, and as I had an opportunity 
of examining every fpot of the kingdom of Naples 
and Sicily, in the year 1766; I fhall try to com- 
municate to you the obfervations I made upon two 
very curious and interefting fubjedts, viz. the Man- 
na tree and the Tarantula. My misfortune is, that 
I have not my papers with me, which would have 
enabled me to give you a more full and fatisfadlory 
account ; but, however, I flatter myfelf, I fhall be 
able to trace out what is more eflential and material 
to the purpofe. 
The Manna tree, commonly called Ormis by the 
botanifts, is a kind of alh tree, and is to be found 
Vol. LX. LI h under 
