$34 ANIMAL REPRODUCTIONS. 
M. Adanfon is evidently one of thofe philofo.. 
phers who ftart difficulties about facts; and whe 
defire themfelves to behold prodigies again and 
again, before admitting them for truth. This. 
referve cannot be cenfured; but I confefs that 
here it appears extreme, efpecially after evidence 
fo ftrictly demontftrative as the Abbé Spallanzani 
has given of his difcovery. May I therefore 
bope, that the experiments, which I now publifh, 
will triumph over the incredulity of our learned 
academician? Doubtlefs he will not fufpeét that 
I have deprived the fnails only of the cap, to ufe 
his own expreffion ; for the head fo completely 
and fo perfectly feparated from the trunk, as re- 
prefented fig. 1, will not allow the leaft fufpicion 
to remain. I muft requeft M. Adanfon to con- 
fider all the details of my experiments; and to 
attend to the able defigns of the artift, which ad- 
mirably reprefent the regenerations I have wit- 
nefled. They might eafily have been further 
extended, but I do not efteem it neceflary to the 
purpofe I have in view. Should it be objected, 
that the fnail drawn from the life, fig. 10, 11, 
had not then touched the young vine and lettuce 
leaves with which it was fupplied; I may an- 
fwer, that it has given the moft indifputable evi- 
dence of being provided with very good teeth ; 
tor, on the 27 of July, it began to eat the paper 
covering the mouth of the veffel where it was 
confined, 
