ANIMAL REPRODUCTIONS. 229 
full of glandules, appeared; the fame mufcles 
moving the horns ; the fame nerves proceeding 
to their extremities, and there enlarging into an 
oval bulb; in fhort, the fame parts compofing 
-the eye: therefore it would have been impofli- 
ble to diftinguifh the new horns from the old, if 
TI had not witneffed their origin and increafe, and 
if a flight contraction of the fkin had not fome- 
times remained. at the place from whence they 
began to fhoot, or a little projecting eminence 
which marked the precife {pot where the new 
horn had originated. 
A fufficient degree of heat is effential to the 
fuccefs of this Lmeaieeer’ ‘Temperate is not 
enough; and the heat muft be at leaft 61°. 
Therefore, in Lombardy, and different parts of 
Italy, the experiment fhould be commenced in 
the beginning of fpring. What I fay of heat, 
refpecting reparation of the horns, alfo applies to 
the head, of which I am about to.treat. As the 
fummer then approaches, the horns are quickly 
repaired. With regard to the time requifite for 
complete reproduction, two months in general 
fuffice for whatever part of the horns is to be re- 
generated. It may alfo be remarked, ‘that al- 
though the reproduction feldom fails, I have 
fometimes been unable to obtain it, notwith- 
ftanding the mutilated {nails were kept whole 
years. 
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