Of their Sex, &ce for dui a9 
tention will not be able to find out any the leaft altera- 
tion or difference here, The two ends are more protu- 
berant than the middle, which is more flender, and this 
is the form of it in the belly of the infect, and even after 
it is depofited in the cells for feveral days, till the time it 
-_quickens, and appears a perfect worm. a ee 
And thus we find it in the eggs of other infects and 
-animals, which are remarkable for their proportions, 
_ different figures, colours, regularities, exact pofitions, Se. 
particularly the filk-worm. | Sette 
_ If then neither of thefe can be fafely affirmed, or r fully 
_ proved, ‘of the fperm in man or beatt, that there never 
is any difference, either in the quantity or the figure, 
then it muft be admitted that it is nothing but an egg, 
and confequently that this creature is of the female 
_ kind. iit ei 
_ But I add, as a further evidence in the cafe, and what 
is more fully convincing, it’s different parts, which com- 
»pofe the whole, and are eafily feparated and diftinguifhed 
. from each other, as I have often proved, placing the in- 
feé&t upon my hand or an handkerchief, fhe has (moving 
upon it) laid feveral of thefe oblong fubftances, and to 
all appearance as full of fpirit and vigour as at firft. 
_» [have immediately examined thefe, which ftill keep 
their form, while you gently move them up and down; 
but no fooner have I by the help of a needle penetrated 
_the fame, but the whole moft plainly appeared, (even to 
.the naked eye) to be a fluid, or liquid matter, contained 
_ina thin fkin or membrane; and without any the leaft 
_ difficulty feparated the one from the other. Tho’ Mr. 
Rufden 
