C 33 3 
afterwards publifhed by Schrcber, in ten volumes, aug- 
mented by the later dilTertations of Linnaeus and fome 
writings of his fon. In 1760 appeared his Difquifitio 
de fexubus plantarum, and he obtained the prem-um pro- 
pofedby the Imperial Academy of bciences, for the bed 
paper written to eftabliflt or difprove, by new argument, 
the dodrine of the fexes of plants : and in the fame year 
were publifhed his Genera Morborum and Clavis Me- 
dicina. 
In his minute refearches into the phyfiology and 
manners or the fmaller animals, he had frequent oppor- 
tunities of corredling the ntimberlcfs errors of ancient 
authors, and to make fome fingular difcoveries himfelf. 
He firft obfcrved that the t^nia or tape-worm was com- 
pofed of an aggregate number of diftindl animals joined 
together, and that each of its divifions contains all the 
parts proper for life and the continuation of its kind. 
He likewife became acquainted with the manner in which 
pearls are generated in their fbclls, and was able to 
produce them artificially. For the communication of 
this fecret, the dates of Sweden gave him a large 
reward; 
His fame had now extended itfelf to every part of 
the lettered world ; and to fend a feed, a plant, or a 
rare animal to Linnaeus, was confidered as reflediing 
honour on the donor. Nations began to confidcr him 
VOL. Vll.— C 3 
