Microscopical Essays. 387 



Roefel, Schaeffer, &c. it has alfo been defcribed by Scopoli, 

 Geoffroy, &c; not one, however, of thefe defer jptions agrees 

 with the animal under confideration. The abdomen of this is 

 more extended, the claws are larger and much more obtufe, 

 the body of the other being nearly orbicular, the clav/s (lender, 

 and finifhing almoft in a point, more tranfparent, and of a paler 

 colour. It is very probable that there are feveral fpecies nearly 

 fimilar. Mr. Marfham has two in his poffeflion, one like the 

 drawings of Reaumur, the other not to be diftinguifhed from that 

 which is reprefented in Plate XVIII. except that it wants the 

 break, or dent, in the claws, which is fo confpicuous in this. 

 He found his firmly fixed by it's claws to the thighs of a large fly, 

 which he caught on a flower in Effex the firft week in Auguil, 

 and from which he could not difengage it without great difficulty, 

 and tearing off the fly's leg, which he did on a piece of writing 

 paper, and was much furprized to fee the little creature fpring 

 forwards full a quarter of an inch, with great impetuofity, and 

 again feize it's prey, from which he had great trouble to dif- 

 engage it. 



Of Fig. 3, 4. and 5, Plate XVI II. 



The infect which is reprefented at Fig. 3, Plate XVIII. was 

 originally named phyfapus by Mr. de Geer, on account of the 

 bladders at the feet. Linnaeus terms it trips. 



They live upon plants, and particularly in flowers. The one 

 figured here is the black trips, with white wings 5 the antennas 

 have fix articulations, the body is black, the wings whitiih, long 

 and hairy, the head fmall, with two large reticular eyes. The 



3 A 2 antenna? 



