[ 3 
II. An Observation of a Spina bifida, commonly 
fo termed 3 by Mr. George Aylett, Surgeon at 
Windfor. 
juft born, a large incyfted Tumour, that feemed 
capable of containing a Pint of Water, whofe Con- 
tents had efcaped in the Birth from a fmall Perfo- 
ration in the Middle of the Cyft ; from whence, on 
Preflure, iflued out a bloody Serum. 
Flannels, wrung out of an hot, difcutient, and 
reftringent Fomentation with Spirits, were twice a 
Day applied, to prevent its mortifying ; to which 
the upper Part feemed greatly tending. 
The firft Four Days there appeared no vifible 
Alteration in the Child's Health : She fucked well ; 
was, as hearty and ftrong as moft at that Age are ; 
no Paratyfls in the Extremities, but a daily Difcharge 
from the Perforation of nigh Two Ounces of the 
fame bloody Serum which at firft iflued out. The 
Nurfe had obferved, that, during all this time, it 
had not made one Drop of Water. 
The Fifth Day the Child was convulfed ; which 
increaling, fhe died in the Night following. 
On the Diviflon of the Cyft, next Day, there ap- 
peared a thin membranous Subftance, lining it inter- 
nally; and might be an Expanfionof the Membrane 
which invelopes the Medulla fpinalis. A Number 
pf fmall Blood- veflels appeared about the Perforation 
September 30. 1740. 
HERE appeared, covering the lower 
Part of the Loins of a lufty Infant 
of 
