the Hirudo viridis. 95 
which animals it almoft equals that of the polype. I do not re- 
- colle& whether Spallanzani, and others who have attended to thc 
fubjeét of animal reproductions, have included thefe animals in 
their lift. My own experiments were made in the year 1773, 
during which year thefe animals were divided in every poffible 
direction ; and the divided parts, after reproduction, were again fub- 
divided, and again reproduced, without the failure of one fingle 
part. — hes 
Tas. 7. reprefents the Hirudo viridis both of its natural fize 
and magnified. 
