418 ANIMAL REPRODUCTIONS, 
MEMOIR II. 
Experiment I. Reproduced members muti- 
lated.—In the firft experiment of the preceding 
Memoir, is an account of feveral fucceflive ope- 
vations on a large newt, which were made pur- 
pofely to difcover whether reproduced mem- 
bers contained reparatory principles in the fame 
way as the original members. ‘There, it is ob- 
ferved, that the fourth mutilation was performed 
53 October 1778. Another operation was per- 
formed on the fame newt, 9 March 1779; the 
reproduced hand and foot being nearly as much * 
advanced as thofe the laft time amputated. 
We have feen that the third amputation was 
on the 24 of Auguft, fo that only fifty days 
elapfed between it and the fourth ; whereas, be- 
tween the fourth and fifth, there were one hun- 
dred and forty-feven, which is an additional 
proof how much reproduction is retarded by 
winter. 
A new hand was announced by the appearance 
of new fingers, 21 April, and regeneration of 
the foot was at that time {till more fenfible. 
Three 
