(an 
SOME 
PAPERS 
Lately Read before the 
ROYAL SOCIETY 
Concerning the 
Frefh-water POLYPUS; 
A N 
INSECT, which hath this furprifing 
Property, That being cut into feveral Pieces, each 
Piece becomes a perfed Animal, as complete as 
that of which it was originally only a Part. 
Collected and Publifhed by ^ * >. 
CROMWELL M O R T I M E R, M. T>. &G 
Secretary of the Royal Society. 
LONDON : 
Printed for T. Woodward, at the Half Moon, 
between the Two Temple-Gates in Fleetftreet ; 
and C. Day is, over-againft Graf s- Inn Gate in 
Holbourn j Printers to the Royai, So- 
ciety. M.dcc.xliii, 
