188 
lavater’s 
Spallanzani having had the cruelty to behead 
the male while he was caretfing his love, he 
continued, for fome time, to hatch her eggs, and 
lived four-and-twenty hours after having fufFered 
that fatal operation. Another of the fame fpecies, 
being deprived of his brains, has been known to re- 
tain all the figns of life for fix months. After being 
feparated from the body, his head undergoes no 
Itriking change for fome hours, and his blood con- 
tinues to circulate during twelve days, or longer. 
A frog’s heart has been feen to pant a fortnight 
after the lofs of his bowels. Free tortoifes live up- 
wards of a century, and tw^cnty years before they 
come to their full growth. 
The toad’s body is greenilli, and ill-fhaped, with 
fmall puftules or fw’ellings like biles, moidened 
with a kind ot glue. This animal lives in the mod 
unwholefome fpots, taking delight to diminifh the 
caufes of infection. He dares at a man, and Ihoots 
cm him his dimy venom, which, however, is not 
dangerous. 
The trog is oblong, fmooth, and hump-backed. 
H is hoarfe croak proceeds from bladders, fixed 
near his wind pipe, which he fills and empties 
contiuuall}'". 
The crocodile is of a longidi form, covered with 
fcales, and adorned wdth a tail, being armed with a 
faw^ on his back, befides terrible teeth fuited to his 
voracity. He cannot be attacked without rifque ; 
but. 
