Shown to the north of Christ's Hospital (O. and M. 1677-Strype, 1755). The Ditch was actually covered over in 1552, after the erection of Christ's Hospital, as it was found detrimental to the health of the children (L. and M. Arch. Soc. Lecture, 3.3.13).
See Houndsditch.
A Dictionary of London. Henry A Harben. 1918.