'ig 2 Of the F L E A, 
The Fleas Piercer or Sucker is lodged be¬ 
tween its Fore-Legs* and includes a Couple 
of Qarts or Lancets, which, after the Piercer 
has made an Entrance are probably thruff 
farther into the Flefh, to make the flood 
flow from the adjacent Parts, that it may be 
fucked up; and feems to occaiion that round 
red Spot, with a Hole in the Center of it, 
which we commonly call a Flea-Bite. This 
Piercer, its Sheath opening fideways, and 
the two Lancets within it, are very difficult 
to be feen, •f* unlefs the two Fore-Legs, be¬ 
tween which they are ufually folded in and 
concealed from View, be cut off clofe to the 
Head : for a Flea rarely puts out its Piercer 
except at the Time of Feeding, but on the 
contrary keeps it clofely folded inwards: the 
bed Way therefore of coming at it is, by- 
cutting of the Head fir if, and then the 
Fore-Legs; fince in the Agonies of Death 
it may eaiily be managed, and brought be¬ 
fore the Microfcope . 
Fleas are Male and Female, and lay Eggs 
as well as Lice and Mites ; but are extremely 
different in all the Progrefs of their Lives be- 
fides, paffing thro' the fame-Changes exactly 
as the Silkworm does. They depoiit their 
Eggs at the Roots of the Hair of Cats, Dogs, 
* Vide Arc. Nat. deteft. Tom. IV. p. 22. 
Ibid* p. 332. Phil* < Tranf. Numb. 249* 
and 
