E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Vernon,
mentioned by Thomson in his Summer, was Admiral Edward Vernon, who attacked Carthagena in 1741; but the malaria reached the crew, and, as the poet says
1
To infant weakness sunk the warriors arms.
Diana Vernon. An enthusiastic Royalist of great beauty and talent. (Sir Walter Scott: Rob Roy.)