ANIMAL REPRODUCTIONS, 3ST, 
£ one attempts to confute me, Iwill try to de- 
‘fend myfelf; and my very circumftantial de- 
tails, as well as thofe of my friends, will prove 
£ that I am in no error. 
‘ You obligingly inquire, whether the fevered 
«head truly contained all the organs pertaining 
€ to the head of a fnail? ‘To anfwer this impor- 
€ tant queftion, I fhall mention the mode of per- 
* forming the experiment. When I difcovered 
*- that {nails enjoyed the prerogative of reproduc- 
‘ing their parts, I] began to diflect them, pur- 
€ pofely to acquire a perfe@t knowledge of their 
¢ anatomy. I wifhed to make myfelf mafter of 
¢ all the organs compofing the head. My model 
‘has uniformly been M. Lyonet’s anatomical 
‘ work; and I was provided with the whole of 
‘his apparatus. The fnail, which I propofed ta 
© diffect, was killed in water: it then proceeds 
‘ from the fhell; the four horns are difplayed, 
¢ and it dies in this pofition, which is the moft 
¢ favourable for diffeCtion. It is by this trivial 
‘ experiment that I have been able to convince 
‘ myfelf, that the fevered head actually contained 
€ all the parts Swammerdam has defcribed in his 
§ treatife on {ails. ; 
* It was only after having ftudied the ftruGture 
© of the head attentively, that | began to mutilate 
$ the animal ; and I proceeded in the following 
$ manner; The {nail was allowed to extend fully 
© fom 
