1782. NORFOLK. 3f 



often half a minute, after the nidus is finiflied: 124. 

 but the body having undergone a fpafm-like TENTHREDO' 

 agitation, the orifices of the pubes and the THETURNEP 

 nidus, which are now intimately connected, 

 become fwelled out with a femi-tranfparent 

 whitifh matter, which is feen to glide flowly 

 down between two lamina (feparated and 

 formed into a funnel-like pipe) until having 

 got near to their points, it drops from between 

 them, and falls deliberately to the bottom of 

 the nidus ; where it plainly fliews itfelf of an 

 oval form. The points of the inflruments be- 

 ing ftill carried farther backward, until they 

 are fafely freed from the ovum, they are care- 

 fully and leifurely withdrawn (nearly in the 

 direction in which they were infinuated)jfheath- 

 ed ; and the operation compleated. 



SEPTEMBER i. To make myfelf completely 

 matter of this fubject, I put a fly, this morn- 

 ing, upon the fame plants I had obferved from 

 yefterday ; and finding her fo tame that 

 I could place her on any leaf I pleafed, and 

 even turn it to the light while fhe was in the 

 act, I cut offone of the tenderefl leaves, took 

 it between the finger and thumb, placed the 

 fly upon it, and holding them between tha 



glafs 



