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nied by that remarkable Cafe of a Foetus extraded 
by him from one of the Fallopian Tubes, where it 
had been lodged 13 Years (fee this Tranf. p. 1 3 1 
And 1 now beg Leave to lay before you fome Hx- 
trads from this Letter, as Matters not only of Curio- 
fity, but of confiderable Moment alfo, in the Natu- 
ral Hiftory of Animals. 
He deftres I’ll allow him another Year to perfed: 
his Obfervations on the Birds of Paffage 5 being un- 
willing, he fays, to rely on the Accounts of others, 
where he can come at the Knowlege of Things 
himfelf. 
As to the Quab, which fome report to be firft a 
Tadpole, then a Frog, and at laft a Fifh, ’tis very 
well known, he fays, to him ; but with regard to 
fuch Changes, he believes them to be intirely fa- 
bulous. He has indeed feen, in the Chamber of 
Rarities at ‘Petersburg , this Fifh, preferv’d in Spirits, 
under all thefe Appearances i but was not permitted 
to take out any one of them, in order to remove 
the Scruples he made: However, defiring as far as 
poffible to come at the Truth, he turn’d the Bottle 
haltily on one Side, to make the Fifh fall to the 
Glafs, which he thought they did, with more feem- 
ing Hardnefs than could be fuppofed in Fifhes } 
which induced him to conjedure, that they are 
Pieces of Art, the Idea whereof has been taken 
from the Refemblance of the Head of this Fifh to 
that of a Frog. Whence he fuppofes they may be 
made of Wax, and kept in this manner to amufe 
the World. If there be, he fays, fuch a Thing in 
Nature (which he does not think probable) it muft 
be peculiar to fome one Place, whereof he has no 
3 Knowleee. 
