ANIMAL ‘REPRODUCTIONS. 261 
* fenfibly retracted when the fkin and upper jaw 
** were cut off: and the animal, having come out, 
“* difplayed the mutilated ‘horns.’ 
To.thefe three naturalifts fhould be joined M. 
Argenville and Schreeter. ‘With refpect to the 
former, Ihave not been able to procure his work : 
‘but Mr Murray quotes it in thefe:words: ‘ Of 
an hundred {nails, hardly 25 were alive the day 
after decapitation.” The German naturalift de- 
capitated feveral hundreds: as they all died, he 
thinks that he is authorifed to deny that thefe 
reptiles renew the -head : and never having had 
the leaft part of the horns or tail repaired, he 
equally denies the poflible reproduction-of thefe 
parts (1). 
There are ftill fome .authors who do not en- 
tirely controvert my difcovery ; for they admit 
reproduction of part of the head, but deny that 
of the whole. ‘Thefe are Meflrs Murray, Adan- 
fon, and Prefcianj. Murray mutilated.two of the 
fpecies pomatia, fo that the head was fevered be- 
hind the large horns. ‘One died in a week: the 
other reproduced, though in-miniature, for it was 
only a fmall horn, and as if in defpite of nature : 
at was fhorter and thicker than ufual, and -want- 
ing the black point.at the extremity, which is 
R 3 commonly 
{1) Verf. e. Sytem: abhandl. uber. d. Erdconchylien. 
Berlin, 1773- 
