[ 528 ] 
Adhefions or Diftortions, can never be underftood 
nor traced without it ; and therefore Tulpius, whofe 
Account of his Subje&s is very inaccurate, and 
who certainly did not injed it, confefles he could 
make no Diftribution of the Veftels, nor find out 
any thing of them diftindly. 
But in the prefent Cafe, a complete Injedion of 
the Children being made by the Veftels of the um- 
bilical Cord, we were enabled to give the follow- 
ing exad Account of the vafcular Syftem and other 
Parts; to which however we fhall premife a Dc- 
feription of the inteftinal Canal of both. 
When we came to examine the Inteftincs, the 
only proper means for laying them fairly to View, 
before they were taken out of the Body, was to 
inflate them; which was accordingly done, and 
thereby every Part of them was rendered as confpi- 
cuous as the Drawing now before you, and of the 
fame Size cxadly. Each Child had its own pecu- 
liar Oefophagus , Stomach , and Pylorus , in a natu- 
ral State; from each of which the ‘Duodenum de- 
feended about three Inches, and then united into 
one common Dud, which we fhall call the Begin- 
ning of the Jejunum , and which was near four 
Inches long: This was inferted into the upper Part 
of a large Sac cuius , formed out of the very Coats 
of the Inteftincs, and differing in no wife from them 
in Colour, Denfity, or any other Quality but the 
Form and Extenfion. 
Its horizontal Diameter was about y Inches, and 
its vertical about 4, and it was formed out of the 
Jejunum y which, in fome Subjeds, is as long as 
the Ileum, in moft near that Length, and no doubt 
was 
4 
