sent to him along with The Vampyre and the outline of Frankenstein. Besides all this, the Doctor wrote a brief letter, published in The Courier on May 5, 1819, saying—what was clearly the fact—"Though the groundwork is certainly Lord Byron's, its development is mine."
I must now revert for a moment to the "skull-headed lady." In the Introduction above named Polidori asserts that that tale, Ernestus Berchtold, was the one which he began at Cologny. It does not contain any sort of mention of any skull-headed lady. There is some supernatural machinery in the story, of a rather futile kind; it could be excluded without affecting the real basis of the narrative, which relates the love-affair and marriage of a young Swiss patriot with a lady who is ultimately identified as his sister. As to Mrs. Shelley's allegation that the (non-existent) skull-headed lady was punished for "peeping through a keyhole," no such incident exists in Ernestus Berchtold; there is, however, a passage where a certain Julia seeks to solve a mystery by looking "through the wainscot of a closet for wood." Her head, after this inspection, remains exactly what it was before.
The Vampyre was in its way a great success. As stated in The Dictionary of National Biography, Byron's name gave Polidori's production great celebrity on the Continent, where The Vampyre was
