248 Eels m Pafte viviparous. 
you cut one that has brought forth all its 
Young before, or make your Trials when 
the Pafte h,as been kept a very long Time, 
(in which Cafe I have found them fome- 
times unfruitful,) you’ll not fail of being 
diverted after the Manner above deferibed. 
One of the Anguilla , greatly magnified, 
and through the Body of which, before 
cutting, faint Traces of the young ones 
may be difeerned, is fhewn, N° VIII. 
Elate-A* 
The fame, after being cut, with young 
©nes ilTuing from it, and the Uterus as it 
ufually appears, is reprefented in a Droo of 
Water, N° IX. 
This Difcovery is of more Confequence 
than without due Confideration it may feem 
to be ; for as theft Animalcules are plain-* 
]y viviparous, and bring forth living and 
ferfteA young ones in their Eel-like Form, 
it is highly improbable that they ever be¬ 
come Flies, or undergo any other Change \ 
lince no Animal has been yet known to 
put on a new- Shape after it lias produced 
its Young, whether in the Egg or other- 
wife. Therefore if thefe Anguilla never 
change to Flies, or lay Eggs, which this 
Experiment renders it very unlikely they 
fhould ever do, they can neither convey 
themfelves to any Diftance from the Pafte 
whe rein they fi r lb appear, nor be propa¬ 
gated by Eggs floating in the Air. The 
ueltjQii 
