In later editions 'not' is repeated instead of 'nor,' which looks like a compromise between her own opinion and Mr. Boyd's.
The poem entitled 'Sounds,' in the volume of 1838, contained the line 'As erst in Patmos apolyptic John,' presumably for 'apocalyptic.' This being naturally held to be 'without excuse,' the line was altered in subsequent editions to 'As the seer-saint of Patmos, loving John.'
The engagement of Prince Albert to Queen Victoria took place in October 1839.