I goofed. "Watton Town's End" supplies the prostitute whose trade
is with sailors to whom she gives a case of the pox, but that's
only a sparce frame to hang the anatomical progression on.
For more versions of the anatomical progression see also
"Pillycock" in 'Pills to Purge Melancholy', IV, p. 311, 1719, and
"Gently Johnny, my Jingalo" in the DT.