ia 
230 DESCRIPTION, &c. 
monfters which have been defcribed ; particularly to two, of 
which | publifhed a defcription, illuftrated with figures, in my 
work on the Nervous Syftem. In one of them, a human mon- 
fter, one heart fupplied two heads and two trunks. In the 
other, a kitten, one heart, confifting of two auricles and two 
ventricles, fent off from its left ventricle one aorta, which fup- 
plied one head and two bodies *. 
3 X. 
* See Obfervations on the Nervous Syftem, Tab. viii. #* and Tab. xii. 
