o42 ANIMAL REPRODUCTIONS. 
obliging letter: ‘It has fo happened, Signor; 
* my experiments and obfervations on fnails ful- 
« ly verify your’s. Perhaps my curiofity has been 
© extended a little farther: but I regret that the 
< differtations are written in German, and that I 
6 have not had leifure to make an abridgement 
¢ for you in Latin or French. This defect can 
‘ only be fupplied by fubjoining a brief extract 
é which a friend has compofed. And I’ remain 
¢ your moft humble and obliged fervant, G1a- 
© como Scuarrrer. Ratifbon, 8 March 1770.’ 
Extrat concerning the reproduction of fnails. 
‘Jn the year 1753, M. Ziegenbalg, a learn- 
“« ed Dane, prefented a memoir to the academy 
“ of Copenhagen, where he communicated that 
“ fome fnails that had been decapitated, were ftill 
« alive, and continued to come out and retire in- 
© to their fhells as ufual. Although this mutt 
‘ have appeared a very extraordinary phenome- 
© non, it does not feem to have met with the atten- 
© tion it deferved. Nor was it until March 1768, 
“that Father Bofcovich announced to M. de la 
* Condamine, that the Abbé Spallanzani had 
* decapitated feveral {nails ; and not only did they 
* live, but, after retirmg a certain time into their 
* fhells, came out as they do naturally, and at laft 
* had regenerated a new head organifed like the 
* firlt. var ONG 
© Obfervations 
