306 ANIMAL REPRODUCTIONS. 
‘ dred, which I have at different times decapitat- 
‘ed, fome are ftill alive without any regenera- 
* tion, and fome with an imperfect and irregular 
© produétion, and the head of others is com- 
® pletely renewed. I particularly remarked, that, 
‘in the greater part that died, decapitation had 
* been improperly performed, or that it had been 
« about four lines behind the large horns ; con- 
ie fequently a portion of the male organs, the ap- 
* pendages to the uterus, or the uterus itfelf, had 
* been cut off befides the head, Perhaps fome 
‘of thofe that have not reproduced, or repro 
‘ duced imperfe&tly, are of too advanced age, 
‘ and their fibres have loft the neceflary foftnefs, 
‘ flexibility, and vigour ; and, by induration, can- 
‘ not extend to adopt the proper form for. poi 
‘ reproduction. 
* All that I have hitherto remarked happened 
‘equally to the fnails of Reggio as thofe of 
‘ Parma, fo that I have never obferved any thing 
‘ deferving particular confideration in the latter ; 
‘ which proves that inails of the fame {pecies 
‘ univerfally afford the fame reprodudtions, if ex; 
€ periments are correct, 
‘ But it is time to terminate this long letter, 
‘ which has undoubtedly exceeded the limits of 
* your patience? Comprifing the whole, you will 
‘ only fee a confirmation of what you cautioufly 
‘ advanced in your Prodromo, namely, that {nails 
6 pallet the property of reproducing mutilated 
‘ parts, 
