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markable. For defcending fometbing winding towards 
the they were then reflefted again, and did each of 
them terminate in flender Veflels^ iFhite, as they were^, 
but much fmaller 5 and did lye in feveral convolutions and 
windings amongft them. Thefe I take for Spermatic}^ 
FeJJels. Having taken thofe Vejfels^ with ihtCornuaV" 
teri and Vagina^ out of the body:> and laid them on a Paper 
to dry ; I found from each Cornu^ to the end of the^^^r- 
matick^Vefels which I had preferved^ that they meafured 
above four foot. 
r opened xhtComuavteri and found them turgid with 
a milky Juice^ having placed a little of it upon a fmall ML 
crofcope^ I plainly perceived 'twas nothing elfe but an in- 
finite number of fmall Eggs s tho to the naked eye it ap* 
peared onely as a fluid body. Thefe when frefli, 
appeared^ as is reprefented in our fourth covered 
wiih abundance of fmall afperiiieSi but as they grew dry 
their Surface appeared Smooth. 
By comparing that fmall quantity I did obferVej in which 
I could diftinguilli fo many Eggs, with the whole fubftance 
contained in both the Cornua^ I cannot guefs there can be 
fo few as 1000 Eggs in each Female Worm. 
How far different this jVorm is from common Earth Worms 
as to thefe parts^ I need onely to refer to a Dr. Willis's 
figures and account of it, tofhew. And I am yet to learn 
what Worm out of the body has thefe Organs thus formed. 
When once there, the Cafe is plain haw they propagate 
themfeives. And ^ Menj otitis, and all before him , that 
were oi that Opinion) are miftaken ; who fay that thefe 
Worms do not^^w^m^^^ , BOr have any diftinilion of Sexes*^ 
£ Hippocrates 1% exprefs^ (4ii-t^oyyvK&A rhl^in. And I think 
nothing can be plainer then this diftindion of Sexes'm them. 
( a) Willis de Mima Brum, cap, 3. 
(b) Anc. Menjotiu;, differ tat, fathohg* fart: 3. p. m» $n> 
(0 Hippecr, /. 4, ^^^y&rV. 
But- 
