C 5°9 ) 
pear lefs unreafonable if we confider in feme Infects how 
prodigioufly large the Stomach is in proportion to the 
other parts of the Body $ in a Leech you may obferve not 
a fingle but above Twenty Stomachs, emptying out of 
one into another*, and running the whole length of the 
Body. And whu. Malpigbius obferves of the 
De *°™l yce Silk Worm, that it would devour in one day 
as much as w r as the weight of its whole 
Body; a Leech will do far more at a Meal. 
Some it may be will be more inclin'd to think that - 
the whole is but an Egg or Embrio of another Infect a 
forming, and that this Bladder is as it were the Amnion* 
and the outward Coat that includes, it the Chorion. But 
could they perfect any fuch difcovery, I ihould think fo 
too. But formerly in Difiecting a Rotten Sheep, where- 
in I found many of thefe Hydatides % and opening feveral 
of them, I could not obferve but the fame Structure exact- 
ly in all $ and doubtlefs had it been ctherwife, in fo many* 
I could not but have met with feme nearer to Perfection, 
Thefe Hydatides therefore I cannot but think are a fort 
of Worms or Infects fui generis^ and becaufe they con- 
tain fo much water in them, and are ufually to be met 
with in rotten Sheep which are Hydropic alt I call them 
Lumbrici Hydropici; not that I think all thofe Ci/Fstohc 
met with in morbid Bodies are fuch ; for in feme I have 
not obferved this Neck and Structure of Parts, but only 
a tranfparent Bladder filled with a Lywpha> and thofe I 
take to be of another kind. 
Thus in a Patient ftill Living and enjoying her Health 
better than all her life time before; about Ten Years 
ago I caufed her Right Side to be opened a little below 
her ihort Ribs, whence iflued out abundance of lympid 
Water, but what was moil furprifing, together with it, a 
great many Hydatides; that firft andlaflyas we gueffed 5 there 
might come out about 500 of thefe Bladders :moft were en- 
tire and fiU'd with limpid Water; of others that were too large 
for 
