C90 
rous^ a^nd (uch as only cherifti the Emhryo in Vtero , but 
in the Oviparous z\{o^ and Infeiis^ the Eel and Xtphta 
or Sword- Fijh, mentioned by Bartholhus Cent. 2. //. 
16. Anno 1654. Ihould be the only Aninnals without it, 
much lefs that the Guts^ appointed by Nature for the 
Secretion of Nouriflimenr, and the Expulfion of the 
Face 5^ and are al>vays in Motion, (hould be the Place 
of Generation in any Animal ; though we may allow 
Eels not to feed Grofs in the Winter. On the contrary, 
that the Eel hath an ZJterus, is aflerted by Mr. Leewen- 
hoeck, who never found them without; which perhaps 
is that part which Mr. Allen names a flender Gland, 
tfanfverfly lying near the Bowel. 
Befides , Nature having in all Animals, Oviparous, 
as well as Viviparous hitherto difTeited, provided not 
only an Vterus, but alfo Tules (firft obferved by Fallo^ 
pius^ for the conveying the Ovum from the Ovaria to 
the Vterus. Another great Difficulty and Objedlicn that 
lieth againft Mr. Alleris Obfervations, and in which 
indeed he feems to contradi(il himfelf, is this, whereas 
he faith that in one Eel he found and thofe on 
the out fide of the Intejtine; but in the other, Six 
Young ones, each faftened to a fmall Placenta^ and 
thofe within the great Inteftine, called, the Strait Bow- 
el, which adjoyns immediately to the Pylorus : How 
and by what Paflages thofe Eggs came into the Inte- 
fiine^ to be formed and invigorated, unlefi we may 
fuppofe they do, like the Emhryo s of (bme forts of 
Infects ^ which for the Conveniency of Food, eat their 
own Way into their Heterogenious , or affumcd Ma^- 
trices. 
Thefe 
