“NIMAL REPRODUCTIONS. 339 
] 
‘by afingle blow; and his account is concluded 
with remarking three confequences, which he af= 
{ures -us were attendant on all his experiments 
and obfervations. 4.:He remarks that {nails 
shave the property of contracting.very fuddenly to 
protect their heads from the inftrument, fo as to 
efcape with lofing only part-of the horns, or at 
moft the {kin of the head. .2. When it happens 
that the head is actually cut off, it is not.repro- 
duced :.at Jeaft he declares that he has never 
feen reproductions, not even of portions of the 
horns, amputated. 3. Snails can live very long 
without eating and without the head. 
I am ignorant whether M. Adanfon, de Bo- 
mare, and Cotte have .continued their experi- 
ments, or what has enfued. But ] am not the 
only naturalift who has fucceeded in corroborat- 
ing Signor Spallanzani’s difcovery.: that has .al- 
xeady been done by the celebrated Signora Baffi 
of Bologna, by M. Lavoifier and Scheffer ; and 
M. Senebier paftor and librarian of our Republic, 
who has given public teftimony of his {kill in phi- 
lofophy and natural hiftory, has had the fame fuc- 
cefs as myfelf in experiments on fnails. I would 
here tranfcribe what he has communicated con- 
cerning them, did he not fay that his obfervations 
vate fent to be publifhed in the Abbé Rozier’s 
faurnal. 
x 2 Although 
