Note 381 — Chapter VI · [1817-1820.]
Reading edition
Yet not without foundation in fact. My friend Mr. James E. Doyle, was assured by the late Dr. Charles R. Walsh (an English surgeon of great ability, who fell a victim to his exertions as an officer of the Board of Health, during the last cholera in London), that he once heard Mezzofanti “doing” the slang of a London cabman in great perfection.