I am quite done with that person; and I beg that you will spare me any allusion to one whom I regard as dead.”
He is done with Dr. Jekyll similar to when he was done with Mr. Hyde and knows the two have become one inseparable force of evil as Mr. Hyde. Also hiding the secret of his true identity is literally killing him.
The other snarled aloud into a savage laugh;
The animalistic qualities of Hyde demonstrate his evil protruding.
Dr. Jekyll’s “disappearance or unexplained absence for any period exceeding three calendar months,” the said Edward Hyde should step into the said Henry Jekyll’s shoes without further delay and free from any burthen or obligation,
Dr. Jekyll expects his evil side to take over and does not expect to be able to recover.