The correctness of this hypothesis may, however, be doubted.
Certain lapses from grammatical correctness and metrical regularity that we find in the poems of Shelley are undoubtedly due to the author, though the number of these has been reduced (as Mr Buxton Forman has pointed out) with our improved knowledge of the sources of the text.
The correctness of this procedure is questionable.
It arose from the fact that as early as May 1887 the German physicians recognized the presence of cancer in the throat, but Sir Morell Mackenzie, the English specialist who was also consulted, disputed the correctness of this diagnosis, and advised that the operation for removal of the larynx, which they had recommended, should not be undertaken.
He was master of the learned languages, spoke and wrote French with facility and correctness, and understood English, Italian and Dutch.