* 
Yio | Dr. Suaw's Defcription, &c. 
My obfervations on this infect were made long before I had feen 
. Schæffer’s work. I then fketched feveral parts by the microfcope, 
which I afterwards found had been already done by Schæffer. The 
annexed plate therefore contains only a few particulars which he 
has omitted, befides the perfect infect. 
EXPLANATION OF TAB. 9. 
Fig. I, 2, 3. Cancer ftagnalis in a young {tate magnified. See 
page 107. : 
4. The perfect infect, female, natural fize. 
5. Ditto, male. 
6. Eggs. 
7. An egg magnified. 
8. The apparatus of the mouth. 
XI. On 
