_Medical Symbols._--"A PATIENT" inquires respecting the origin and date
of the marks used to designate weights in medical prescriptions.
_Charles II. and Lord R.'s Daughter._--Can any of your readers inform me
who was the lady that is referred to in the following passage, from
Henry Sidney's _Diary_, edited by Mr. Blencowe (March 9. 1610, vol. i.
p. 298.):--
"The King hath a new mistress, Lord R----'s daughter: she
brought the Duke of Monmouth to the King."