ANIMAL REPRODUCTIONS. 275 
fions, two by M. Bonnet, and the third by M. 
Senebier, librarian to the Republic of Geneva. 
The chiéf motives inducing both thefe naturalifts 
to experiment on {nails were the doubts ftarted 
by Meffrs Adanfon and Murray againft reproduc- 
tions. M. Senebier’s aceount of his experiments 
is in a letter to the Abbé Rozier, and inferted in. 
the Journal de Phyfique. 1 fhall tranfcribe the 
whole as it is very fhorts — 
© 1 avail mylfelf of this opportunity to ane 
*nounce, that I have repeated the celebrated 
* Abbé Spallanzani’s fingular experiments on the 
* regeneration of the head of decollated fnails. I 
‘have lately perufed the Gottingen Gazette, 
‘where there is an extract from a memoir by 
* Profeflor Murray, which ptits the matter in 
‘doubt: and becaufe I know the truth of 'thef: 
‘ obfervations has been queftioned by no con- 
‘ temptible obfervers both in France and Italy, [ 
* now write you this, as the feafon is favourable 
‘for reproduction, and fit for repetition of the 
* experiment,’ | 
“I decapitated twelve garden fnails, 15 April, 
‘ and afcertained that feparation was complete, by 
‘infpecting the fevered head with a magnifier, 
* and comparing it with Swammerdami’s exact de- 
‘ {eription. In three weeks, one exhibited the 
‘ head and larger horns reproduced: the fmal! 
; Seal. Sones 
