PHYSICAL ann LITERARY. 409 
opened, thro’ which is feen the foerus in its 
waters. 
“THE membranes being all cut thro’, and 
the waters let out, we more plainly obferved, 
asin Tas. v. fig. 1. the foerus A, with its 
head downwards; B, the navel-ftring twift- 
ed round its neck ;—the placenta CC adhering 
to the back part of the womb, with the mem- 
branes DDD, lying folded upon its edges ; 
and the cut fides of the uterus EEE, where 
the orifices of the veins and arteries appear, 
as in the figure formerly referred to ;—F, the 
vena cava;—G, aorta defcendens ;—H, the 
inferior mefenteric artery, to fhew how high 
the fundus of the womb was raifed. 
THAT a comparifon of the fituation of 
this foerus, with others, might be made; I 
fketched in miniature the outlines of Bidloo’s, 
and Albinus’s figures. Fig. 2. of Tas. vi. is 
Bidloo’s, where the foetus lies in a bended 
pofture, with its head uppermoft, and its 
_ placenta adhering to the forepart of the womb. 
And, fiz. 3. of the fame table, is copied 
from Albinus, where the foetus is with its 
_ head more perpendicularly downwards than 
in my fubject; and no more, than the edges 
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