ANIMAL REPRODUCTIONS. 397 
This feafon was particularly favourable to my 
experiments, being always dry and warm. A 
mercurial thermometer, in the fhade, completely 
ifolated, on a large terrace, ftood at go° and 
93°, on the 14 and 15 of Auguft. Moft of 
~ fummer it ftood between 79° and 81° ; and the 
temperature of the apartment, where the newt 
was kept, differed very little from that of the 
open air. 
ExperiMent I]. When a large newt was 
treated as has juft been related, I made another 
experiment on one of fimilar fize, to obtain com- 
parative refults. 
The left arm and thigh were fevered 2 June 
1778. Reprodu€tion of new members com- 
-menced in the beginning of July : two well fhap- 
ed toes were then on the foot. On the r1, new 
limbs had replaced the old ; they feemed com- 
pletely repaired: ftill they were only miniatures 
of moft delicate texture. This day I amputated 
the reproduced hand and foot. 
A new foot, with two diftin& toes, was per- 
ceptible on the 22; and three were vifible on 
the 24. But the new hand had not appeared ; 
at leaft there was no evidence of originating fin- 
gers. The thermometer now ftood. about 84°: 
_ However, a new hand, with three perfe& fingers, 
was feen on the 29. 
The 
